docs(common): improve heading in upgrading troubleshooting

marin-bratanov · marin-bratanov · commit 66e60a67a5fa · 2019-09-16T12:02:23.000+03:00
diff --git a/upgrade/how-to-upgrade.md b/upgrade/how-to-upgrade.md
@@ -60,7 +60,7 @@ If you have just purchased a license and you need to migrate from the trial pack
 
 ## Troubleshooting
 
-### Microsoft.JSInterop.JSException: Could not find
+### Microsoft.JSInterop.JSException: Could not find ...
 
 After upgrading you may get runtime error messages in the browser console similar to the following:
 
