diff --git a/sections/advanced.md b/sections/advanced.md
index 442dbff1..b564b385 100644
--- a/sections/advanced.md
+++ b/sections/advanced.md
@@ -426,7 +426,7 @@ repos:
 
 _new in 4.5.0_
 
-some hooks only take one filename argument.  this runs them one at a time
+some hooks only take one filename argument.  This runs them one at a time
 (which is super slow!)
 
 example: