0.6.11.10:

[sbcl.git] / src / code / seq.lisp

diff --git a/src/code/seq.lisp b/src/code/seq.lisp
index 77ae156..306576c 100644 (file)
--- a/src/code/seq.lisp
+++ b/src/code/seq.lisp
@@ -81,7 +81,7 @@
                  :datum type
                  :expected-type '(or vector cons)
                  :format-control
-                 "NIL output type invalid for this sequence function."
+                 "A NIL output type is invalid for this sequence function."
                  :format-arguments ())))
       ((dolist (seq-type '(list string simple-vector bit-vector))
         (when (csubtypep type (specifier-type seq-type))