diff --git a/man/tio.1.txt b/man/tio.1.txt
index 3cd3e52..b21a477 100644
--- a/man/tio.1.txt
+++ b/man/tio.1.txt
@@ -224,6 +224,10 @@ KEYS
 
        ctrl-t e        Toggle local echo mode
 
+       ctrl-t f        Toggle log to file
+
+       ctrl-t F        Flush data I/O buffers (discard data written but not transmitted and data received but not read)
+
        ctrl-t g        Toggle serial port line
 
        ctrl-t h        Toggle hexadecimal mode
@@ -439,4 +443,4 @@ WEBSITE
 AUTHOR
        Created by Martin Lund <martin.lund@keep-it-simple.com>.
 
-tio 2.3                                                                                                                              2022-10-18                                                                                                                               tio(1)
+tio 2.4                                                                                                                              2022-10-18                                                                                                                               tio(1)