Fix Linting

Author: cytopia

doc/available-tools.md

@@ -179,5 +179,3 @@ Tools |
  <tbody>
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doc/docker-env-variables.md

@@ -112,5 +112,3 @@ Have a look at the following table to see all supported environment variables fo
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doc/docker-tags.md

@@ -17,6 +17,8 @@ Tags |
 
 ### Docker Tags
 
+[![](https://img.shields.io/docker/pulls/devilbox/php-fpm.svg)](https://hub.docker.com/r/devilbox/php-fpm)
+
 #### Tagging Idea
 
 This repository uses Docker tags to refer to different flavours and types of the PHP-FPM Docker image. Therefore `:latest` and `:<git-branch-name>` as well as `:<git-tag-name>` must be presented differently. Refer to the following table to see how tagged Docker images are produced at Docker hub:

doc/docker-volumes.md

@@ -79,5 +79,3 @@ Have a look at the following table to see all offered volumes for each Docker im
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