Improve suggestion about SP_VERSION hardcoding

doc/user/project/merge_requests/code_quality.md

@@ -140,9 +140,10 @@ code_quality:
 
 In GitLab 12.6, Code Quality switched to the
 [new versioning scheme](https://gitlab.com/gitlab-org/security-products/codequality/merge_requests/38).
-So for the job to work on GitLab 12.11 and later, it is highly recommended to include the
-Code Quality template as shown in the [example configuration](#example-configuration). Alternatively, the `SP_VERSION`
-variable will have to be hardcoded like:
+It is highly recommended to include the Code Quality template as shown in the
+[example configuration](#example-configuration), which uses the new versioning scheme.
+If not using the template, the `SP_VERSION` variable can be hardcoded to use the
+new image versions:
 
 ```yaml
 code_quality: