diff --git a/README.md b/README.md
index 31d569069..5d150ac37 100644
--- a/README.md
+++ b/README.md
@@ -93,6 +93,11 @@ However, when beautification occurs on save then it will
 be forced to beautify the entire file's contents,
 not just selected text.
 
+- `disabledLanguages` (Default *empty array*)
+An array of Grammar names to disable beautification for.
+Note: If using the Atom's Package Settings then an array is
+represented as comma-separated string.
+
 - `muteUnsupportedLanguageErrors` (Default *false*)
 Mute only *unsupported language* errors.
 
diff --git a/lib/language-options.coffee b/lib/language-options.coffee
index c1f28dfc3..a717c210f 100644
--- a/lib/language-options.coffee
+++ b/lib/language-options.coffee
@@ -156,7 +156,7 @@ module.exports =
     unsupportedGrammar = false
     options = undefined
     if atom.config.get("atom-beautify.disabledLanguages").indexOf(grammar) > - 1
-      return
+      return beautifyCompleted(null)
     switch grammar
       # Treat JSON as JavaScript, because it will support comments.
       # And Glavin001 has tested JSON beauifying with beautifyJS.