diff --git a/docs/contribute/icons/design-principles.md b/docs/contribute/icons/design-principles.md
index 3ae9a8bb9..d75c8a20d 100644
--- a/docs/contribute/icons/design-principles.md
+++ b/docs/contribute/icons/design-principles.md
@@ -140,7 +140,7 @@ Even **very sharp corners** usually need a small amount of rounding. The exact a
 :::
 ::::
 
-### 7.6 Corners where multiple lines meet **MUST NOT** be rounded
+### 7.6. Corners where multiple lines meet **MUST NOT** be rounded
 
 Corners where multiple lines meet **MUST NOT** be rounded. Keep corners sharp where multiple lines meet so the icon scales well.