diff --git a/src/lib/services/threadsService.ts b/src/lib/services/threadsService.ts
index ea54742..dab59d0 100644
--- a/src/lib/services/threadsService.ts
+++ b/src/lib/services/threadsService.ts
@@ -30,7 +30,7 @@ export class ThreadsService extends AbstractService {
     if (!isTargetPage) {
       return [
         false,
-        "Error: Invalid page. please open the following or followers view.",
+        "Invalid page. please open the following or followers view.",
       ];
     }
     return [true, ""];
diff --git a/src/popup.tsx b/src/popup.tsx
index 2a6b84c..9786e53 100644
--- a/src/popup.tsx
+++ b/src/popup.tsx
@@ -181,7 +181,11 @@ function IndexPopup() {
         name: messageName,
       });
       if (hasError) {
-        setErrorMessage(errorMessage, DOCUMENT_LINK.OTHER_ERROR);
+        if (errorMessage.includes("Invalid page")) {
+          setErrorMessage(errorMessage, DOCUMENT_LINK.PAGE_ERROR);
+        } else {
+          setErrorMessage(errorMessage, DOCUMENT_LINK.OTHER_ERROR);
+        }
         return;
       }