Correct another npm typo

editions/tw5.com/tiddlers/dev/Working with the TiddlyWiki5 repository.tid

@@ -1,5 +1,5 @@
 created: 20131219100444289
-modified: 20140102214438862
+modified: 20140104120500001
 tags: dev howto
 title: Working with the TiddlyWiki5 repository
 type: text/vnd.tiddlywiki
@@ -13,6 +13,6 @@ If you plan on working with the TiddlyWiki5 source code then follow these steps:
 # Open a command line terminal and change the current working directory to the root of the repo
 # Type `npm link` (Windows) or `sudo npm link` (Mac/Linux) to tell [[npm]] to use this copy of the repo as the globally installed one
 
-After this procedure you can work with TiddlyWiki5 via [[npm]] as though it were installed in the usual way with `npm -g install tiddlywiki`.
+After this procedure you can work with TiddlyWiki5 via [[npm]] as though it were installed in the usual way with `npm install -g tiddlywiki`.
 
 See also [[Scripts for TiddlyWiki on Node.js]].