Clarify documentation

Author: Thomas Scholtes

lib/client/doc.js

@@ -168,7 +168,7 @@ Doc.prototype.destroy = function(callback) {
 // this function exists to update the document based on any added & removed API
 // methods.
 //
-// @param newType OT type provided by the ottypes library
+// @param newType OT type provided by the ottypes library or its name or uri
 Doc.prototype._setType = function(newType) {
   if (typeof newType === 'string') {
     if (!types[newType]) throw new Error("Missing type " + newType);