diff --git a/src/grade-openmp.sh b/src/grade-openmp.sh
index 9fb5275ba6098fbaea39261295cbc54c5e5229b6..bc424e3573e53e43e3aed47351eb3644d8f055c0 100644
--- a/src/grade-openmp.sh
+++ b/src/grade-openmp.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 if [ "$#" -ne 2 ]; then
-    echo "Usage: ./autograde.sh 13518056 13518104"
+    echo "Usage: ./autograde.sh <nim> <openmp_output_directory>"
     exit
 fi
 
diff --git a/src/grade-openmpi.sh b/src/grade-openmpi.sh
index 010c5c4d3424e620ba40c0805d4da15bf3733270..6e71e021f1d80007dd16bd7ef2c1f65c73cd99cb 100644
--- a/src/grade-openmpi.sh
+++ b/src/grade-openmpi.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 
 if [ "$#" -ne 2 ]; then
-    echo "Usage: ./autograde.sh 13518056 13518104"
+    echo "Usage: ./autograde.sh <nim> <openmpi_output_directory>"
     exit
 fi
 
diff --git a/src/openmp-script.sh b/src/openmp-script.sh
old mode 100644
new mode 100755