Add notes section about resizability

diff --git a/extra/sequences/extras/extras-docs.factor b/extra/sequences/extras/extras-docs.factor
index ab02cb4765b289614bfd5c75bc76b609bcf106ab..98f0e594b6c07a9fb630fd14ee55c06ed2aa0d5d 100644 (file)
--- a/extra/sequences/extras/extras-docs.factor
+++ b/extra/sequences/extras/extras-docs.factor
@@ -1263,6 +1263,7 @@ HELP: sift!
     { "seq'" { "a resizable mutable " { $link sequence } } }
 }
 { $description "Removes all instances of " { $link f } " from a sequence." }
+{ $notes "The sequence " { $snippet "seq" } " MUST be growable. See " { $link "growable" } "." }
 { $side-effects "seq" }
 { $examples
     { $example