Index: tests/disposition.test
===================================================================
diff -u -r275da34d3d7a874a451eced58242b738c8a37d1a -re0da9e0032a357fe5c6bfdd37a2d234e00780460
--- tests/disposition.test	(.../disposition.test)	(revision 275da34d3d7a874a451eced58242b738c8a37d1a)
+++ tests/disposition.test	(.../disposition.test)	(revision e0da9e0032a357fe5c6bfdd37a2d234e00780460)
@@ -200,7 +200,7 @@
   ? {[C new -single-np [list -x]] eval {set :single-np}} \
       "value for parameter '-x' expected"
   ? {[C new -single-np [list -x X]] eval {set :single-np}} \
-      "invalid non-positional argument '-x X', valid are : -x;
+      "invalid non-positional argument '-x X', valid are: -x;
  should be \"::__%&singleton single-np -x /value/\""
 
   #