Fix casing for the display name.

lowjoel · lowjoel · commit bd3daf61eae6 · 2016-04-03T21:18:51.000+08:00
diff --git a/lib/coursemology/polyglot/language/java_script.rb b/lib/coursemology/polyglot/language/java_script.rb
@@ -1,4 +1,4 @@
 class Coursemology::Polyglot::Language::JavaScript < Coursemology::Polyglot::Language
   syntax_highlighter 'javascript'
-  concrete_language 'javascript', docker_image: 'javascript'
+  concrete_language 'JavaScript', docker_image: 'javascript'
 end
