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-rw-r--r--library/lib.ml2
1 files changed, 1 insertions, 1 deletions
diff --git a/library/lib.ml b/library/lib.ml
index fa0a95d366..3172511c26 100644
--- a/library/lib.ml
+++ b/library/lib.ml
@@ -280,7 +280,7 @@ let start_mod is_type export id mp fs =
else Nametab.exists_dir dir
in
if exists then
- user_err ~hdr:"open_module" (Id.print id ++ str " already exists");
+ user_err ~hdr:"open_module" (Id.print id ++ str " already exists.");
add_entry (make_foname id) (OpenedModule (is_type,export,prefix,fs));
lib_state := { !lib_state with path_prefix = prefix} ;
prefix