diff --git a/docs/20_Checks/check_docker_info.md b/docs/20_Checks/check_docker_info.md
index 2216ca42aa051e0e9b3f91f4e9ecd1d77c47846e..9a9748a1cf93969aa844c83581d67d5c2c08d7af 100644
--- a/docs/20_Checks/check_docker_info.md
+++ b/docs/20_Checks/check_docker_info.md
@@ -15,6 +15,13 @@ This check sends performance data.
 icingaclient ALL=(ALL) NOPASSWD:SETENV: /usr/bin/docker
 ```
 
+## Includes
+
+Additional needed files in the current folder that this check can run:
+
+* inc_dockerfunctions.sh
+* inc_pluginfunctions
+
 ## Rootless docker
 
 It works with docker setups as root and can handle rootless docker instances.