--- loncom/lti/ltiutils.pm	2017/12/30 14:04:00	1.3
+++ loncom/lti/ltiutils.pm	2018/01/04 12:09:42	1.4
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA LTI interactions 
 #
-# $Id: ltiutils.pm,v 1.3 2017/12/30 14:04:00 raeburn Exp $
+# $Id: ltiutils.pm,v 1.4 2018/01/04 12:09:42 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -51,7 +51,7 @@ use LONCAPA qw(:DEFAULT :match);
 #
 # When LON-CAPA is operating as a Provider, nonce checking 
 # occurs when a user in course context in another LMS (the 
-# Consumer launches an external tool to access a LON-CAPA URL: 
+# Consumer) launches an external tool to access a LON-CAPA URL: 
 # /adm/lti/ with LON-CAPA symb, map, or deep-link ID appended.
 #
 
@@ -314,7 +314,7 @@ sub verify_lis_item {
 # LON-CAPA as LTI Consumer
 #
 # Sign a request used to launch an instance of an external
-# too in a LON-CAPA course, using the key and secret supplied 
+# tool in a LON-CAPA course, using the key and secret supplied 
 # by the Tool Provider.
 #