Update installation instructions - fixes #4

diff --git a/README.md b/README.md
index 8195a85..566c54e 100755 (executable)
--- a/README.md
+++ b/README.md
@@ -18,7 +18,7 @@ The script performs the following:
 ## Install
 
 ```
-npm install -g mantis2gitlab
+npm install -g nonplus/mantis2gitlab
 ```
 
 ## Usage