diff --git a/readme.md b/readme.md
index 0ec92c38..50995062 100644
--- a/readme.md
+++ b/readme.md
@@ -405,7 +405,7 @@ If `gh-pages` fails, you may find that you need to manually clean up the cache d
 Modify the deployment line to your deploy script if you use custom domain. This will prevent the deployment from removing the domain settings in GitHub.
 
 ```
-echo 'your_cutom_domain.online' > ./build/CNAME && gh-pages -d build"
+echo your_cutom_domain.online > ./build/CNAME && gh-pages -d build"
 ```
 
 ### Deploying with GitHub Actions