basis: fix using lists a little

[factor.git] / basis / grouping / grouping-docs.factor

diff --git a/basis/grouping/grouping-docs.factor b/basis/grouping/grouping-docs.factor
index 0126935806fb7b7a5c5d8cee61146a2e9d6a10e7..4144f4c2548ea99787fc42022de760124cb07992 100644 (file)
--- a/basis/grouping/grouping-docs.factor
+++ b/basis/grouping/grouping-docs.factor
@@ -18,7 +18,7 @@ ARTICLE: "grouping" "Groups and clumps"
 { $list
     { "With groups, the subsequences form the original sequence when concatenated:"
         { $example
-            "USING: grouping ;"
+            "USING: grouping prettyprint ;"
             "{ 1 2 3 4 } 2 group ."
             "{ { 1 2 } { 3 4 } }"
         }