diff --git a/Library/.rubocop.yml b/Library/.rubocop.yml
index c992c614a8..1843832d3f 100644
--- a/Library/.rubocop.yml
+++ b/Library/.rubocop.yml
@@ -355,7 +355,7 @@ Layout/LineLength:
       ' name "',
       ' pkg "',
       ' pkgutil: "',
-      '    sha256 cellar: ',
+      "    sha256 cellar: ",
       "#{language}",
       "#{version.",
       ' "/Library/Application Support/',