diff --git a/src/dosinst.c b/src/dosinst.c
index 0c16173..9226b63 100644
--- a/src/dosinst.c
+++ b/src/dosinst.c
@@ -419,7 +419,7 @@
 		vim = default_vim_dir;
 	    else
 		/* Let NSIS know there is no default, it should use
-		 * $PROGRAMFIlES. */
+		 * $PROGRAMFILES. */
 		vim = "";
 	}
     }