diff --git a/docs/en/installation/common-problems.md b/docs/en/installation/common-problems.md
index d4f78c82e..cb7365162 100644
--- a/docs/en/installation/common-problems.md
+++ b/docs/en/installation/common-problems.md
@@ -56,7 +56,7 @@ every page on the site, if that's easier.
 ## I can see unparsed PHP output in my browser
 
 Please make sure all code inside `*.php` files is wrapped in classes. Due to the way `[api:ManifestBuilder]`
-includes all files with this extension, any **procedural code will be executed on every call**. Most common error here
+includes all files with this extension, any **procedural code will be executed on every call**. The most common error here
 is putting a test.php/phpinfo.php file in the document root. See [datamodel](/topics/datamodel) and [controllers](/topics/controller)
 for ways how to structure your code.
 
@@ -71,4 +71,4 @@ needs to create/have write-access to:
  * The main installation directory (for creating .htaccess file and assets directory)
  * The mysite folder (to create _config.php)
  * After the install, the assets directory is the only directory that needs write access.
- * Image thumbnails will not show in the CMS if permission is not given 
\ No newline at end of file
+ * Image thumbnails will not show in the CMS if permission is not given