diff --git a/snippets/ruby.snippets b/snippets/ruby.snippets
index e9d7ba3..cbfc85e 100644
--- a/snippets/ruby.snippets
+++ b/snippets/ruby.snippets
@@ -957,7 +957,7 @@ snippet tctss
 #     Rspec snippets     #
 ##########################
 snippet desc
-	describe ${1:class_name} do
+	describe ${1:`substitute(substitute(vim_snippets#Filename(), '_spec$', '', ''), '\(_\|^\)\(.\)', '\u\2', 'g')`} do
 		${0}
 	end
 snippet descm