change casing to be consistent (#1235)

* change casing to be consistent

* pr

* comments

* casing

dojoup/dojoup

@@ -22,7 +22,7 @@ main() {
       -v|--version)     shift; DOJOUP_VERSION=$1;;
       -p|--path)        shift; DOJOUP_LOCAL_REPO=$1;;
       -P|--pr)          shift; DOJOUP_PR=$1;;
-      -C|--commit)      shift; DOJOUP_COMMIT=$1;;
+      -c|--commit)      shift; DOJOUP_COMMIT=$1;;
       -h|--help)
         usage
         exit 0
@@ -215,7 +215,7 @@ OPTIONS:
     -v, --version   Install a specific version
     -b, --branch    Install a specific branch
     -P, --pr        Install a specific Pull Request
-    -C, --commit    Install a specific commit
+    -c, --commit    Install a specific commit
     -r, --repo      Install from a remote GitHub repo (uses default branch if no other options are set)
     -p, --path      Install a local repository
 EOF