diff --git a/libs/libc/stream/lib_fileoutstream.c b/libs/libc/stream/lib_fileoutstream.c
index 020e6b8a36b..785e1d39237 100644
--- a/libs/libc/stream/lib_fileoutstream.c
+++ b/libs/libc/stream/lib_fileoutstream.c
@@ -101,7 +101,7 @@ static void fileoutstream_putc(FAR struct lib_outstream_s *self, int ch)
  *   mode   - Mode flags.
  *
  * Returned Value:
- *   0 on success, negative error code in failuer.
+ *   0 on success, negative error code in failure.
  *
  ****************************************************************************/