diff --git a/docs/use_notary.md b/docs/use_notary.md
index fa585f1eb..e39752f81 100644
--- a/docs/use_notary.md
+++ b/docs/use_notary.md
@@ -17,6 +17,6 @@ export DOCKER_CONTENT_TRUST_SERVER=https://192.168.0.5:4443
 Because by default the local directory for storing meta files for notary client is different from docker client.  If you want to use notary client to manipulate the keys/meta files generated by Docker Content Trust, please set the alias to reduce the effort:
 
 ```
-alias notary="notary -s https//192.168.0.5:4443 -d ~/.docker/trust --tlscacert  /etc/docker/certs.d/192.168.0.5/ca.crt"
+alias notary="notary -s https://192.168.0.5:4443 -d ~/.docker/trust --tlscacert  /etc/docker/certs.d/192.168.0.5/ca.crt"
 
 ```