diff --git a/extension/unshorten/README.md b/extension/unshorten/README.md
new file mode 100644
index 0000000..c5dc95f
--- /dev/null
+++ b/extension/unshorten/README.md
@@ -0,0 +1,2 @@
+# Unshorten
+A Firefox extension to unshorten links from sites like Twitter.
\ No newline at end of file
diff --git a/extension/unshorten/icons/border-48.png b/extension/unshorten/icons/border-48.png
deleted file mode 100644
index 90687de..0000000
Binary files a/extension/unshorten/icons/border-48.png and /dev/null differ
diff --git a/extension/unshorten/icons/unshorten.png b/extension/unshorten/icons/unshorten.png
new file mode 100644
index 0000000..e80109f
Binary files /dev/null and b/extension/unshorten/icons/unshorten.png differ
diff --git a/extension/unshorten/manifest.json b/extension/unshorten/manifest.json
index 906f51e..99b0a7c 100644
--- a/extension/unshorten/manifest.json
+++ b/extension/unshorten/manifest.json
@@ -6,7 +6,7 @@
   "description": "Unshorten links from Twitter.",
 
   "icons": {
-    "48": "icons/border-48.png"
+    "48": "icons/unshorten.png"
   },
 
   "background": {