diff --git a/pages/Modules.md b/pages/Modules.md
index 3a004cca6..f04c0c165 100644
--- a/pages/Modules.md
+++ b/pages/Modules.md
@@ -554,7 +554,7 @@ For example:
 ##### math-lib.d.ts
 
 ```ts
-export const isPrime(x: number): boolean;'
+export const isPrime(x: number): boolean;
 export as namespace mathLib;
 ```