diff --git a/Run-acme.sh-in-docker.md b/Run-acme.sh-in-docker.md
index b6e8f01..169bb85 100644
--- a/Run-acme.sh-in-docker.md
+++ b/Run-acme.sh-in-docker.md
@@ -20,7 +20,7 @@ So, Here "acme.sh in docker" comes.
 docker run --rm neilpang/acme.sh
 ```
 
-# 2. Use as an executable:
+# 2. Used as an executable:
 
 ```sh
 docker run --rm  -it  \