diff --git a/src/routes/_utils/replaceEmoji.js b/src/routes/_utils/replaceEmoji.js
index e1bd06b2..96a28172 100644
--- a/src/routes/_utils/replaceEmoji.js
+++ b/src/routes/_utils/replaceEmoji.js
@@ -11,7 +11,7 @@ export function replaceEmoji (string, replacer) {
   const emojiRegex = getEmojiRegex()
 
   function safeReplacer (substring) {
-    // emoji regex matches digits and pound sign https://git.io/fpl6J
+    // emoji regex matches digits and pound sign https://github.com/mathiasbynens/emoji-regex/issues/33#issuecomment-373674579
     if (substring.match(NON_EMOJI_REGEX)) {
       return substring
     }
diff --git a/src/server.js b/src/server.js
index ee819581..8dfe0dec 100644
--- a/src/server.js
+++ b/src/server.js
@@ -11,5 +11,5 @@ app.use(sapper.middleware())
 
 app.listen(PORT, () => console.log(`listening on port ${PORT}`))
 
-// Handle SIGINT (source: https://git.io/vhJgF)
+// Handle SIGINT (source: https://github.com/pouchdb/pouchdb-server/blob/fdc6ba7/packages/node_modules/pouchdb-server/lib/index.js#L304-L306)
 process.on('SIGINT', () => process.exit(0))