1 files changed, 4 insertions, 3 deletions
diff --git a/Library/Homebrew/keg.rb b/Library/Homebrew/keg.rb
index bb9778c81..e3b93fa72 100644
--- a/Library/Homebrew/keg.rb
+++ b/Library/Homebrew/keg.rb
@@ -54,9 +54,10 @@ class Keg
   end
 
   class DirectoryNotWritableError < LinkError
-    def to_s; <<~EOS
-      Could not symlink #{src}
-      #{dst.dirname} is not writable.
+    def to_s
+      <<~EOS
+        Could not symlink #{src}
+        #{dst.dirname} is not writable.
       EOS
     end
   end