diff --git a/backend/api/routes/quotes.js b/backend/api/routes/quotes.js
index 6d66aded4..750e64a9d 100644
--- a/backend/api/routes/quotes.js
+++ b/backend/api/routes/quotes.js
@@ -120,7 +120,8 @@ quotesRouter.post(
         .valid(
           "Grammatical error",
           "Inappropriate content",
-          "Low quality content"
+          "Low quality content",
+          "Incorrect source"
         )
         .required(),
       comment: joi.string().allow("").max(250).required(),
diff --git a/static/index.html b/static/index.html
index 7be940c07..189684b41 100644
--- a/static/index.html
+++ b/static/index.html
@@ -587,6 +587,7 @@
           <option value="Grammatical error">Grammatical error</option>
           <option value="Inappropriate content">Inappropriate content</option>
           <option value="Low quality content">Low quality content</option>
+          <option value="Incorrect source">Incorrect source</option>
         </select>
         <label>comment</label>
         <div style="position: relative">