diff --git a/README.md b/README.md
index f919966..542b76c 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,14 @@ https://addons.mozilla.org/fr/firefox/addon/web-extension-for-shaarli/
 - Share your link with main button action
 
 ### TODO
+- Allow to set Popup Dimension in settings or save it on close
 - Add button menu with action:
   - Share link
   - Go to shaarli
 
+## Known bug
+- Title and URL are uri_encoded twice in "Firefox for Linux"
+**NB**: bug not present in dev mode and in windows
+
 ## LICENSE
 The project is in licence GPL v3, see [LICENCE](LICENCE)
diff --git a/src/background.js b/src/background.js
index f63212e..3227082 100644
--- a/src/background.js
+++ b/src/background.js
@@ -1,4 +1,3 @@
-
 /**
  * Open the given url in a popup
  * @param  {string} url -