diff --git a/README.md b/README.md
index 5d488c2..1927d4e 100644
--- a/README.md
+++ b/README.md
@@ -15,7 +15,7 @@ $ chmod a+x build && ./build
 
 ### Run
 ```shell
-$ chmod a+x generator && ./generator --help
+$ ./generator --help
 Video Thumbnail Generator
 
 Usage:
diff --git a/build b/build
index 71a5d69..848f7f7 100755
--- a/build
+++ b/build
@@ -6,3 +6,4 @@ if [ "$UNAME_S" == "Darwin" ]; then
 fi
 
 pip install -r requirements.txt
+chmod a+x generator