fix lint errors

Author: lavrton

lib/lint.js

@@ -35,12 +35,12 @@ function lintComments(comment) {
     }
 
     function checkEmptyExample(tag) {
-        if (!tag.description) {
-            comment.errors.push({
-              message: 'empty example is found',
-              commentLineNumber: tag.lineNumber
-            });
-        }
+      if (!tag.description) {
+        comment.errors.push({
+          message: 'empty example is found',
+          commentLineNumber: tag.lineNumber
+        });
+      }
     }
 
     function checkCanonical(type) {