diff --git a/031_installvc4cl_runtime.sh b/031_install_vc4cl_runtime.sh
old mode 100755
new mode 100644
similarity index 100%
rename from 031_installvc4cl_runtime.sh
rename to 031_install_vc4cl_runtime.sh
diff --git a/README.md b/README.md
index 7d0f952..7c75d34 100644
--- a/README.md
+++ b/README.md
@@ -24,7 +24,7 @@ cd rpi3-vc4cl
 ### VC4CL
 
 ```
-./031_install_vc4c_runtime.sh
+./031_install_vc4cl_runtime.sh
 ./032_install_vc4cl.sh
 ```