diff --git a/docs/images/docker-heimdall.md b/docs/images/docker-heimdall.md
index 9dea736f88..50b35dea2b 100644
--- a/docs/images/docker-heimdall.md
+++ b/docs/images/docker-heimdall.md
@@ -67,7 +67,7 @@ To help you get started creating a container from this image you can either use
 
 !!! info
 
-    Unless a parameter is flaged as 'optional', it is *mandatory* and a value must be provided.
+    Unless a parameter is flagged as 'optional', it is *mandatory* and a value must be provided.
 
 ### docker-compose (recommended, [click here for more info](https://docs.linuxserver.io/general/docker-compose))