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-rw-r--r--pretyping/matching.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/pretyping/matching.ml b/pretyping/matching.ml
index 0b1e05de98..d034bfae06 100644
--- a/pretyping/matching.ml
+++ b/pretyping/matching.ml
@@ -65,7 +65,7 @@ let add_binders na1 na2 (names,terms as subst) =
| Name id1, Name id2 ->
if List.mem_assoc id1 names then
(Flags.if_verbose Pp.warning
- ("Collision between bound variables of name"^string_of_id id1);
+ ("Collision between bound variables of name "^string_of_id id1);
(names,terms))
else
(if List.mem_assoc id1 terms then