diff --git a/media/201710-presentation-devcon3.md b/media/201710-presentation-devcon3.md
index d4353c2ea9..c17360eb50 100644
--- a/media/201710-presentation-devcon3.md
+++ b/media/201710-presentation-devcon3.md
@@ -444,7 +444,7 @@ head:
    andBool G >=Int 52 *Int I +Int 21
 ```
 
-Verifing ABI compliant contracts
+Verifying ABI compliant contracts
 --------------------------------
 
 . . .