diff --git a/extension/background.ts b/extension/background.ts
index d6d2e28..8d78392 100644
--- a/extension/background.ts
+++ b/extension/background.ts
@@ -471,6 +471,7 @@ function saveLabel(response: ShinigamiEyesSubmission) {
         sendMessageToContent(response.tabId, response.frameId, {
             updateAllLabels: true,
             confirmSetIdentifier: response.identifier,
+            confirmSetUrl: response.url,
             confirmSetLabel: response.mark || 'none'
         });
         //browser.tabs.executeScript(response.tabId, {code: 'updateAllLabels()'});
@@ -531,6 +532,7 @@ browser.contextMenus.onClicked.addListener(function (info, tab) {
             if (badIdentifiers[response.identifier]) {
                 sendMessageToContent(tabId, frameId, {
                     confirmSetIdentifier: response.identifier,
+                    confirmSetUrl: response.url,
                     confirmSetLabel: 'bad-identifier',
                     badIdentifierReason: badIdentifiersReasons[response.identifier]
                 });
diff --git a/extension/content.ts b/extension/content.ts
index bd90639..85f465f 100644
--- a/extension/content.ts
+++ b/extension/content.ts
@@ -539,6 +539,11 @@ function getBadIdentifierReason(identifier: string, url: string) {
         identifier == 'twitter.com/threader_app') return 'This is user is a bot.';
     if (identifier == 'twitter.com/hashtag') return 'Hashtags cannot be labeled, only users.';
     if (url.includes('youtube.com/watch')) return 'Only channels can be labeled, not specific videos.';
+    if (url.includes('reddit.com/') && url.includes('/comments/')) return 'Only users and subreddits can be labeled, not specific posts.';
+    if (url.includes('facebook.com') && (
+        url.includes('/posts/') ||
+        url.includes('/photo.php') ||
+        url.includes('/photos/'))) return 'Only pages, users and groups can be labeled, not specific posts or photos.';
     if (url.includes('wiki') && url.includes('#')) return 'Wiki paragraphs cannot be labeled, only whole articles.';
     return null;
 }
@@ -595,7 +600,7 @@ function displayConfirmation(identifier: string, label: LabelKind, badIdentifier
 browser.runtime.onMessage.addListener<ShinigamiEyesMessage, ShinigamiEyesSubmission>((message, sender, sendResponse) => {
 
     if (message.updateAllLabels || message.confirmSetLabel) {
-        displayConfirmation(message.confirmSetIdentifier, message.confirmSetLabel, message.badIdentifierReason, message.url);
+        displayConfirmation(message.confirmSetIdentifier, message.confirmSetLabel, message.badIdentifierReason, message.confirmSetUrl);
         updateAllLabels(true);
         return;
     }
diff --git a/extension/definitions.d.ts b/extension/definitions.d.ts
index 0a721e2..d7145d1 100644
--- a/extension/definitions.d.ts
+++ b/extension/definitions.d.ts
@@ -35,6 +35,7 @@ interface ShinigamiEyesCommand {
     setTheme?: string
     confirmSetIdentifier?: string
     confirmSetLabel?: LabelKind
+    confirmSetUrl?: string
     badIdentifierReason?: BadIdentifierReason
 }
 type LabelMap = { [identifier: string]: LabelKind };