diff --git a/Change-default-CA-to-ZeroSSL.md b/Change-default-CA-to-ZeroSSL.md
index 7abd18c..a303985 100644
--- a/Change-default-CA-to-ZeroSSL.md
+++ b/Change-default-CA-to-ZeroSSL.md
@@ -7,7 +7,7 @@ https://github.com/acmesh-official/acme.sh/wiki/Server
 Starting from `August-1st 2021`, acme.sh will release v3.0, in which the default CA will use [ZeroSSL](https://github.com/acmesh-official/acme.sh/wiki/ZeroSSL.com-CA) instead.
 
 
-This change will only affect the newly created(issued) certs after `August-1st` (with v3.0),  any pre-existing certs will still be renewed automatically aginst the current CA.
+This change will only affect the newly created(issued) certs after `August-1st` (with v3.0),  any pre-existing certs will still be renewed automatically against the current CA.
 
 
 Q&A: