Corrected typo for compose plugin install

docs/i_u_m/i_u_m_install.de.md

@@ -30,13 +30,13 @@ Bitte verwenden Sie die neueste verfügbare Docker-Engine und nicht die Engine,
 Auf Debian/Ubuntu Systemen:
 ```
 apt update
-apt install docker compose-plugin
+apt install docker-compose-plugin
 ```
 
 Auf Centos 7 Systemen:
 ```
 yum update
-yum install docker compose-plugin
+yum install docker-compose-plugin
 ```
 
 !!! danger "Achtung"

docs/i_u_m/i_u_m_install.en.md

@@ -27,13 +27,13 @@ systemctl enable --now docker
 On Debian/Ubuntu systems:
 ```
 apt update
-apt install docker compose-plugin
+apt install docker-compose-plugin
 ```
 
 On Centos 7 systems:
 ```
 yum update
-yum install docker compose-plugin
+yum install docker-compose-plugin
 ```
 
 !!! danger