diff --git a/googlefonts-qa/notes/outline-checks.md b/googlefonts-qa/notes/outline-checks.md
index e676f05..6d5b3c2 100644
--- a/googlefonts-qa/notes/outline-checks.md
+++ b/googlefonts-qa/notes/outline-checks.md
@@ -146,7 +146,7 @@ Straightened in Bold & Reg:
 
 ### betaSymbol
 
-These lines are't supposed to intersect:
+These lines aren't supposed to intersect:
 
 ![](assets/2019-03-28-14-20-11.png)