diff --git a/src/primitives/array.md b/src/primitives/array.md
index 841c71c14d..0f56182cdc 100644
--- a/src/primitives/array.md
+++ b/src/primitives/array.md
@@ -64,7 +64,7 @@ fn main() {
         }
     }
 
-    // Out of bound indexing causes compile error
+    // Out of bound indexing causes runtime error
     //println!("{}", xs[5]);
 }
 ```