1 files changed, 1 insertions, 0 deletions

diff --git a/libbb/read_key.c b/libbb/read_key.c
index 6f6c39e45..d3832fa6c 100644
--- a/libbb/read_key.c
+++ b/libbb/read_key.c
@@ -22,6 +22,7 @@ int64_t FAST_FUNC read_key(int fd, char *buffer)
                 'O','B'        |0x80,KEYCODE_DOWN    ,
                 'O','C'        |0x80,KEYCODE_RIGHT   ,
                 'O','D'        |0x80,KEYCODE_LEFT    ,
+                /* Ctrl-<arrow>: ESC [ 1 ; 5 x, where x = A/B/C/D  */
                 'O','H'        |0x80,KEYCODE_HOME    ,
                 'O','F'        |0x80,KEYCODE_END     ,
 #if 0