diff --git a/src/docs/markdown/caddyfile/concepts.md b/src/docs/markdown/caddyfile/concepts.md
index a58fbcc..aad0852 100644
--- a/src/docs/markdown/caddyfile/concepts.md
+++ b/src/docs/markdown/caddyfile/concepts.md
@@ -186,7 +186,7 @@ If multiple sites share the same definition, you can list all of them together:
 localhost:8080, example.com, www.example.com
 ```
 
-Notice when addresses are listed on the same line, the comma is optional, however the space between addresses is not, 
+Notice when addresses are listed on the same line, the comma is optional, however, the space between addresses is not, 
 
 or