diff --git a/src/common_queries/mod.rs b/src/common_queries/mod.rs
index 8feffdc37f..1caba8130d 100644
--- a/src/common_queries/mod.rs
+++ b/src/common_queries/mod.rs
@@ -4,6 +4,7 @@ pub mod list_tts_inference_results;
 pub mod list_tts_models;
 pub mod list_w2l_inference_results;
 pub mod list_w2l_templates;
+pub mod query_tts_model;
 pub mod query_user_profile;
 pub mod query_w2l_template;
 pub mod sessions;
\ No newline at end of file
diff --git a/src/common_queries/query_tts_model.rs b/src/common_queries/query_tts_model.rs
new file mode 100644
index 0000000000..8184d4be54
--- /dev/null
+++ b/src/common_queries/query_tts_model.rs
@@ -0,0 +1,171 @@
+use anyhow::anyhow;
+use chrono::{DateTime, Utc};
+use crate::AnyhowResult;
+use crate::database_helpers::boolean_converters::i8_to_bool;
+use crate::database_helpers::boolean_converters::nullable_i8_to_optional_bool;
+use derive_more::{Display, Error};
+use log::{info, warn, log};
+use regex::Regex;
+use sqlx::MySqlPool;
+use sqlx::error::DatabaseError;
+use sqlx::error::Error::Database;
+use sqlx::mysql::MySqlDatabaseError;
+use std::sync::Arc;
+
+#[derive(Serialize)]
+pub struct TtsModelRecordForResponse {
+  pub model_token: String,
+  pub tts_model_type: String,
+  pub creator_user_token: String,
+  pub creator_username: String,
+  pub creator_display_name: String,
+  pub updatable_slug: String,
+  pub title: String,
+  pub description_markdown: String,
+  pub description_rendered_html: String,
+  pub is_mod_disabled: bool,
+  pub is_locked_from_user_modification: bool,
+  pub created_at: DateTime<Utc>,
+  pub updated_at: DateTime<Utc>,
+  pub user_deleted_at: Option<DateTime<Utc>>,
+  pub mod_deleted_at: Option<DateTime<Utc>>,
+}
+
+#[derive(Serialize)]
+pub struct TtsModelRecordRaw {
+  pub model_token: String,
+  pub tts_model_type: String,
+  pub creator_user_token: String,
+  pub creator_username: String,
+  pub creator_display_name: String,
+  pub updatable_slug: String,
+  pub title: String,
+  pub description_markdown: String,
+  pub description_rendered_html: String,
+  pub is_mod_disabled: i8,
+  pub is_locked_from_user_modification: i8,
+  pub created_at: DateTime<Utc>,
+  pub updated_at: DateTime<Utc>,
+  pub user_deleted_at: Option<DateTime<Utc>>,
+  pub mod_deleted_at: Option<DateTime<Utc>>,
+}
+
+pub async fn select_tts_model_by_token(
+  tts_model_token: &str,
+  can_see_deleted: bool,
+  mysql_pool: &MySqlPool
+) -> AnyhowResult<Option<TtsModelRecordForResponse>> {
+
+  let maybe_record = if can_see_deleted {
+    select_including_deleted(tts_model_token, mysql_pool).await
+  } else {
+    select_without_deleted(tts_model_token, mysql_pool).await
+  };
+
+  let model : TtsModelRecordRaw = match maybe_record {
+    Ok(model) => model,
+    Err(ref err) => {
+      match err {
+        RowNotFound => {
+          warn!("tts model not found: {:?}", &err);
+          return Ok(None);
+        },
+        _ => {
+          warn!("tts model query error: {:?}", &err);
+          return Err(anyhow!("database error"));
+        }
+      }
+    }
+  };
+
+  let model_for_response = TtsModelRecordForResponse {
+    model_token: model.model_token.clone(),
+    tts_model_type: model.tts_model_type.clone(),
+    creator_user_token: model.creator_user_token.clone(),
+    creator_username: model.creator_username.clone(),
+    creator_display_name: model.creator_display_name.clone(),
+    updatable_slug: model.updatable_slug.clone(),
+    title: model.title.clone(),
+    description_markdown: model.description_markdown.clone(),
+    description_rendered_html: model.description_rendered_html.clone(),
+    is_mod_disabled: i8_to_bool(model.is_mod_disabled),
+    is_locked_from_user_modification: i8_to_bool(model.is_locked_from_user_modification),
+    created_at: model.created_at.clone(),
+    updated_at: model.updated_at.clone(),
+    user_deleted_at: model.user_deleted_at.clone(),
+    mod_deleted_at: model.mod_deleted_at.clone(),
+  };
+
+  Ok(Some(model_for_response))
+}
+
+async fn select_including_deleted(
+  tts_model_token: &str,
+  mysql_pool: &MySqlPool
+) -> Result<TtsModelRecordRaw, sqlx::Error> {
+  sqlx::query_as!(
+      TtsModelRecordRaw,
+        r#"
+SELECT
+    tts.token as model_token,
+    tts.tts_model_type,
+    tts.creator_user_token,
+    users.username as creator_username,
+    users.display_name as creator_display_name,
+    tts.updatable_slug,
+    tts.title,
+    tts.description_markdown,
+    tts.description_rendered_html,
+    tts.is_mod_disabled,
+    tts.is_locked_from_user_modification,
+    tts.created_at,
+    tts.updated_at,
+    tts.user_deleted_at,
+    tts.mod_deleted_at
+FROM tts_models as tts
+JOIN users
+    ON users.token = tts.creator_user_token
+WHERE tts.token = ?
+        "#,
+      tts_model_token
+    )
+    .fetch_one(mysql_pool)
+    .await // TODO: This will return error if it doesn't exist
+}
+
+async fn select_without_deleted(
+  tts_model_token: &str,
+  mysql_pool: &MySqlPool
+) -> Result<TtsModelRecordRaw, sqlx::Error> {
+  sqlx::query_as!(
+      TtsModelRecordRaw,
+        r#"
+SELECT
+    tts.token as model_token,
+    tts.tts_model_type,
+    tts.creator_user_token,
+    users.username as creator_username,
+    users.display_name as creator_display_name,
+    tts.updatable_slug,
+    tts.title,
+    tts.description_markdown,
+    tts.description_rendered_html,
+    tts.is_mod_disabled,
+    tts.is_locked_from_user_modification,
+    tts.created_at,
+    tts.updated_at,
+    tts.user_deleted_at,
+    tts.mod_deleted_at
+FROM tts_models as tts
+JOIN users
+    ON users.token = tts.creator_user_token
+WHERE
+    tts.token = ?
+    AND tts.user_deleted_at IS NULL
+    AND tts.mod_deleted_at IS NULL
+        "#,
+      tts_model_token
+    )
+    .fetch_one(mysql_pool)
+    .await // TODO: This will return error if it doesn't exist
+}
diff --git a/src/http_server/endpoints/tts/edit_tts_model.rs b/src/http_server/endpoints/tts/edit_tts_model.rs
new file mode 100644
index 0000000000..2b4a4d2be8
--- /dev/null
+++ b/src/http_server/endpoints/tts/edit_tts_model.rs
@@ -0,0 +1,234 @@
+use actix_http::Error;
+use actix_http::http::header;
+use actix_web::cookie::Cookie;
+use actix_web::dev::HttpResponseBuilder;
+use actix_web::error::ResponseError;
+use actix_web::http::StatusCode;
+use actix_web::web::Path;
+use actix_web::{Responder, web, HttpResponse, error, HttpRequest};
+use crate::common_queries::query_tts_model::select_tts_model_by_token;
+use crate::common_queries::sessions::create_session_for_user;
+use crate::http_server::web_utils::ip_address::get_request_ip;
+use crate::http_server::web_utils::response_error_helpers::to_simple_json_error;
+use crate::http_server::web_utils::response_success_helpers::simple_json_success;
+use crate::server_state::ServerState;
+use crate::util::email_to_gravatar::email_to_gravatar;
+use crate::util::markdown_to_html::markdown_to_html;
+use crate::util::random_crockford_token::random_crockford_token;
+use crate::util::random_prefix_crockford_token::random_prefix_crockford_token;
+use crate::validations::check_for_slurs::contains_slurs;
+use derive_more::{Display, Error};
+use log::{info, warn, log};
+use regex::Regex;
+use sqlx::error::DatabaseError;
+use sqlx::error::Error::Database;
+use sqlx::mysql::MySqlDatabaseError;
+use std::sync::Arc;
+
+/// For the URL PathInfo
+#[derive(Deserialize)]
+pub struct EditTtsModelPathInfo {
+  model_token: String,
+}
+
+#[derive(Deserialize)]
+pub struct EditTtsModelRequest {
+  pub title: Option<String>,
+  pub description_markdown: Option<String>,
+
+  //pub updatable_slug: Option<String>,
+  //pub creator_set_visibility: Option<String>,
+
+  //pub tts_model_type: Option<String>,
+  //pub text_preprocessing_algorithm: Option<String>,
+  //pub vocoder_token: Option<String>,
+
+  //pub is_mod_disabled: Option<bool>,
+  //pub is_locked_from_user_modification: Option<bool>,
+  //pub maybe_mod_comments: Option<String>,
+}
+
+#[derive(Debug, Display)]
+pub enum EditTtsModelError {
+  BadInput(String),
+  NotAuthorized,
+  TemplateNotFound,
+  ServerError,
+}
+
+impl ResponseError for EditTtsModelError {
+  fn status_code(&self) -> StatusCode {
+    match *self {
+      EditTtsModelError::BadInput(_) => StatusCode::BAD_REQUEST,
+      EditTtsModelError::NotAuthorized => StatusCode::UNAUTHORIZED,
+      EditTtsModelError::TemplateNotFound => StatusCode::NOT_FOUND,
+      EditTtsModelError::ServerError => StatusCode::INTERNAL_SERVER_ERROR,
+    }
+  }
+
+  fn error_response(&self) -> HttpResponse {
+    let error_reason = match self {
+      EditTtsModelError::BadInput(reason) => reason.to_string(),
+      EditTtsModelError::NotAuthorized=> "unauthorized".to_string(),
+      EditTtsModelError::TemplateNotFound => "not found".to_string(),
+      EditTtsModelError::ServerError => "server error".to_string(),
+    };
+
+    to_simple_json_error(&error_reason, self.status_code())
+  }
+}
+
+pub async fn edit_tts_model_handler(
+  http_request: HttpRequest,
+  path: Path<EditTtsModelPathInfo>,
+  request: web::Json<EditTtsModelRequest>,
+  server_state: web::Data<Arc<ServerState>>) -> Result<HttpResponse, EditTtsModelError>
+{
+  let maybe_user_session = server_state
+      .session_checker
+      .maybe_get_user_session(&http_request, &server_state.mysql_pool)
+      .await
+      .map_err(|e| {
+        warn!("Session checker error: {:?}", e);
+        EditTtsModelError::ServerError
+      })?;
+
+  let user_session = match maybe_user_session {
+    Some(session) => session,
+    None => {
+      warn!("not logged in");
+      return Err(EditTtsModelError::NotAuthorized);
+    }
+  };
+
+  // NB: First permission check.
+  // Only mods should see deleted models (both user_* and mod_* deleted).
+  let is_mod_that_can_see_deleted = user_session.can_delete_other_users_tts_models;
+
+  let model_lookup_result = select_tts_model_by_token(
+    &path.model_token,
+    is_mod_that_can_see_deleted,
+    &server_state.mysql_pool).await;
+
+  let model_record = match model_lookup_result {
+    Ok(Some(result)) => {
+      info!("Found model: {}", result.model_token);
+      result
+    },
+    Ok(None) => {
+      warn!("could not find model");
+      return Err(EditTtsModelError::TemplateNotFound);
+    },
+    Err(err) => {
+      warn!("error looking up model: {:?}", err);
+      return Err(EditTtsModelError::TemplateNotFound);
+    },
+  };
+
+  // NB: Second set of permission checks
+  let mut editor_is_original_user = false;
+  let mut editor_is_moderator = false;
+
+  if model_record.creator_user_token == user_session.user_token {
+    editor_is_original_user = true;
+  }
+
+  if user_session.can_edit_other_users_tts_models {
+    editor_is_moderator = true;
+  }
+
+  if !editor_is_original_user && !editor_is_moderator {
+    return Err(EditTtsModelError::NotAuthorized);
+  }
+
+  if !editor_is_moderator {
+    if model_record.is_locked_from_user_modification || model_record.is_mod_disabled {
+      return Err(EditTtsModelError::NotAuthorized);
+    }
+  }
+
+  // Fields to set
+  let mut title = None;
+  let mut description_markdown = None;
+  let mut description_html = None;
+
+  if let Some(payload) = request.title.as_deref() {
+    if contains_slurs(payload) {
+      return Err(EditTtsModelError::BadInput("title contains slurs".to_string()));
+    }
+
+    title = Some(payload.to_string());
+  }
+
+  if let Some(markdown) = request.description_markdown.as_deref() {
+    if contains_slurs(markdown) {
+      return Err(EditTtsModelError::BadInput("description contains slurs".to_string()));
+    }
+
+    let markdown = markdown.trim().to_string();
+    let html = markdown_to_html(&markdown);
+
+    description_markdown = Some(markdown);
+    description_html = Some(html);
+  }
+
+  let ip_address = get_request_ip(&http_request);
+
+  let query_result = if editor_is_original_user {
+    // We need to store the IP address details.
+    sqlx::query!(
+        r#"
+UPDATE tts_models
+SET
+    title = ?,
+    description_markdown = ?,
+    description_rendered_html = ?,
+    creator_ip_address_last_update = ?,
+    version = version + 1
+
+WHERE tts_models.token = ?
+LIMIT 1
+        "#,
+      &title,
+      &description_markdown,
+      &description_html,
+      &ip_address,
+      &model_record.model_token,
+    )
+        .execute(&server_state.mysql_pool)
+        .await
+  } else {
+    // We need to store the moderator details.
+    sqlx::query!(
+        r#"
+UPDATE tts_models
+SET
+    title = ?,
+    description_markdown = ?,
+    description_rendered_html = ?,
+    maybe_mod_user_token = ?,
+    version = version + 1
+
+WHERE tts_models.token = ?
+LIMIT 1
+        "#,
+      &title,
+      &description_markdown,
+      &description_html,
+      &user_session.user_token,
+      &model_record.model_token,
+    )
+        .execute(&server_state.mysql_pool)
+        .await
+  };
+
+  match query_result {
+    Ok(_) => {},
+    Err(err) => {
+      warn!("Update W2L model edit DB error: {:?}", err);
+      return Err(EditTtsModelError::ServerError);
+    }
+  };
+
+  Ok(simple_json_success())
+}
diff --git a/src/http_server/endpoints/tts/mod.rs b/src/http_server/endpoints/tts/mod.rs
index bdff9c584d..20d7957abf 100644
--- a/src/http_server/endpoints/tts/mod.rs
+++ b/src/http_server/endpoints/tts/mod.rs
@@ -1,3 +1,4 @@
+pub mod edit_tts_model;
 pub mod enqueue_infer_tts;
 pub mod enqueue_upload_tts_model;
 pub mod get_tts_inference_job_status;
diff --git a/src/main.rs b/src/main.rs
index 9377b4dca1..c2e467aafe 100644
--- a/src/main.rs
+++ b/src/main.rs
@@ -71,6 +71,7 @@ use crate::http_server::endpoints::users::edit_profile::edit_profile_handler;
 use crate::http_server::endpoints::w2l::set_w2l_template_mod_approval::set_w2l_template_mod_approval_handler;
 use crate::http_server::endpoints::w2l::delete_w2l_template::delete_w2l_template_handler;
 use crate::http_server::endpoints::w2l::edit_w2l_template::edit_w2l_template_handler;
+use crate::http_server::endpoints::tts::edit_tts_model::edit_tts_model_handler;
 
 // TODO TODO TODO TODO
 // TODO TODO TODO TODO
@@ -293,6 +294,11 @@ pub async fn serve(server_state: ServerState) -> AnyhowResult<()>
               .route(web::get().to(get_tts_model_handler))
               .route(web::head().to(|| HttpResponse::Ok()))
           )
+          .service(
+            web::resource("/model/{model_token}/edit")
+              .route(web::post().to(edit_tts_model_handler))
+              .route(web::head().to(|| HttpResponse::Ok()))
+          )
           .service(
           web::resource("/result/{token}")
               .route(web::get().to(get_tts_inference_result_handler))
@@ -333,7 +339,7 @@ pub async fn serve(server_state: ServerState) -> AnyhowResult<()>
               .route(web::head().to(|| HttpResponse::Ok()))
           )
           .service(
-          web::resource("/template/{template_token}/edit")
+           web::resource("/template/{template_token}/edit")
               .route(web::post().to(edit_w2l_template_handler))
               .route(web::head().to(|| HttpResponse::Ok()))
           )