diff --git a/parse.py b/parse.py
index 63b22b9..1605e7a 100644
--- a/parse.py
+++ b/parse.py
@@ -188,11 +188,11 @@
         context = self.create_context(context, "parsing version identifier")
         token = self.next()
         if token.type != "keyword" or token.value != "newlang":
-            raise self.create_error(context, "Expected NewLang keyword")
+            raise self.create_error(context, "Expected 'NewLang' keyword, got '%s'" % (token.value))
         token = self.next()
         version = token.value
         if version != "0":
-            raise self.create_error(context, "Invalid version %s" % (version))
+            raise self.create_error(context, "Unknown version '%s'" % (version))
         log.log(log.PARSER, log.DEBUG, "Parsed version %s" % (version))
         return version