1 files changed, 1 insertions, 0 deletions

diff --git a/src/buffer.c b/src/buffer.c
index 250d8d24d7b..b3b971633dd 100644
--- a/src/buffer.c
+++ b/src/buffer.c
@@ -6242,6 +6242,7 @@ If the buffer has never been shown in a window, the value is nil.  */);
 See the command `transient-mark-mode' for a description of this minor mode.
 
 Non-nil also enables highlighting of the region whenever the mark is active.
+The region is highlighted with the `region' face.
 The variable `highlight-nonselected-windows' controls whether to highlight
 all windows or just the selected window.