Fix typo
diff --git a/README b/README
index 9e3f003..22e9a09 100644
--- a/README
+++ b/README
@@ -45,7 +45,7 @@
 
 [Hack]
 
-See HACK.TXT file for the structuture of the source code.
+See HACK.TXT file for the structure of the source code.
 
 
 [License]