diff --git a/src/doc/guide-pointers.md b/src/doc/guide-pointers.md
index 6492400a2cfc7..b920ffbdd1a18 100644
--- a/src/doc/guide-pointers.md
+++ b/src/doc/guide-pointers.md
@@ -505,6 +505,7 @@ As being similar to this C code:
 {
     int *x;
     x = (int *)malloc(sizeof(int));
+    *x = 5;
 
     // stuff happens