diff --git a/src/ng/compile.js b/src/ng/compile.js
index 8d5f8520c2b1..35dd7d1bef31 100644
--- a/src/ng/compile.js
+++ b/src/ng/compile.js
@@ -1621,7 +1621,11 @@ function $CompileProvider($provide, $$sanitizeUriProvider) {
     compile.$$createComment = function(directiveName, comment) {
       var content = '';
       if (debugInfoEnabled) {
-        content = ' ' + (directiveName || '') + ': ' + (comment || '') + ' ';
+        content = ' ';
+        content += (directiveName || '');
+        content += ':';
+        content += comment ? ' ' + comment : '';
+        content += ' ';
       }
       return window.document.createComment(content);
     };
diff --git a/test/ng/compileSpec.js b/test/ng/compileSpec.js
index f0437df6691d..d424fb42f580 100755
--- a/test/ng/compileSpec.js
+++ b/test/ng/compileSpec.js
@@ -8438,7 +8438,7 @@ describe('$compile', function() {
           expect(function() {
             $compile('<div first second></div>');
           }).toThrowMinErr('$compile', 'multidir', 'Multiple directives [first, second] asking for transclusion on: ' +
-                  '<!-- first:  -->');
+                  '<!-- first: -->');
         });
       });