diff --git a/lib/rugged/repository.rb b/lib/rugged/repository.rb
index 5e3b83208..0de15b9d1 100644
--- a/lib/rugged/repository.rb
+++ b/lib/rugged/repository.rb
@@ -47,14 +47,14 @@ def lookup(oid)
       Rugged::Object.lookup(self, oid)
     end
 
-    # Look up a refspec.
+    # Look up an object by a revision string.
     #
     # Returns one of the four classes that inherit from Rugged::Object.
     def rev_parse(spec)
       Rugged::Object.rev_parse(self, spec)
     end
 
-    # Look up a refspec.
+    # Look up an object by a revision string.
     #
     # Returns the oid of the matched object as a String
     def rev_parse_oid(spec)