Update README.doc

kikeda1104 · kikeda1104 · commit 5526e403a75f · 2014-08-10T00:09:28.000+09:00
diff --git a/README.rdoc b/README.rdoc
@@ -51,7 +51,7 @@ Also, if you pass the -r option, it'll annotate routes.rb with the output of
 
 Into Gemfile from rubygems.org:
 
-    gem 'annotate', ">~ 2.6.5"
+    gem 'annotate', "~> 2.6.5"
 
 Into Gemfile from Github:
 
