diff --git a/Environment-Variables.md b/Environment-Variables.md
index 27cabb3..09c1705 100644
--- a/Environment-Variables.md
+++ b/Environment-Variables.md
@@ -16,7 +16,7 @@ For `v`, `logtostderr`, `stderrthreshold`, `vmoudle`, `options`, `logdir`, `also
 # Docker
 This is useful for using docker and docker compose  
 You have to override entrypoint to `weed` because defautl [entrypoint](https://github.com/seaweedfs/seaweedfs/blob/master/docker/entrypoint.sh) use default values for `volumeSizeLimitMB`, `volumePreallocate`, `mdir`, `dir`, and `max` and setting environment variables won't change these values.
-## Dcoker
+## Docker
 ```shell
 docker run --entrypoint weed -it -e IP_BIND=0.0.0.0 -e MDIR=/tmp -e PORT=5000 -e VOLUMEPREALLOCATE=true chrislusf/seaweedfs:3.45 master
 ```