diff --git a/docs/credits.txt b/docs/credits.txt
index ae9d504da..ced4e3bb0 100644
--- a/docs/credits.txt
+++ b/docs/credits.txt
@@ -7,7 +7,8 @@ The following people/companies are responsible for WebGUI:
 
 WebGUI Core..........................JT Smith / Plain Black
 
-Contributing Developers..............Meg O'Keefe Andrea / Plain Black
+Contributing Developers..............C.J. Adams-Collier / <cjac@colliertech.org>
+                                     Meg O'Keefe Andrea / Plain Black
                                      Lucas Bartholemy
                                      Peter Beardsley / Appropriate Solutions
                                      Doug Bell / Plain Black
diff --git a/sbin/testEnvironment.pl b/sbin/testEnvironment.pl
index 3572dafc9..35febd992 100755
--- a/sbin/testEnvironment.pl
+++ b/sbin/testEnvironment.pl
@@ -68,6 +68,7 @@ checkModule("Test::More",                   0.82,      2 );
 checkModule("Test::MockObject",             1.02,      2 );
 checkModule("Test::Deep",                   0.095,       );
 checkModule("Test::Exception",              0.27,      2 );
+checkModule("Test::Differences",            0.5,       2 );
 checkModule("Test::Class",                  0.31,      2 );
 checkModule("Pod::Coverage",                0.19,      2 );
 checkModule("Text::Balanced",               2.00,      2 );