diff --git a/HACKING b/HACKING
index 8d99f49..00afd1d 100644
--- a/HACKING
+++ b/HACKING
@@ -1,7 +1,7 @@
 Localization
 ============
 
-Unless you a native English speaker, you may like to run Micropolis
+Unless you are a native English speaker, you may like to run Micropolis
 in your own language. Micropolis is designed to be run in any language,
 but we need translators to provide the translated text to display.