1 files changed, 2 insertions, 2 deletions
diff --git a/lib/rubygems/errors.rb b/lib/rubygems/errors.rb
index e6e222033d..ac82a551a5 100644
--- a/lib/rubygems/errors.rb
+++ b/lib/rubygems/errors.rb
@@ -136,8 +136,8 @@ module Gem
       "Found %s (%s), but was for platform%s %s" %
         [@name,
          @version,
-         @platforms.size == 1 ? '' : 's',
-         @platforms.join(' ,')]
+         @platforms.size == 1 ? "" : "s",
+         @platforms.join(" ,")]
     end
   end