Mention + and - keys in the man page

Found +. -. Ctrl-L keys and described their function under the --curses option.

diff --git a/mtr.8.in b/mtr.8.in
index 3e549a9cd321ffaac29613ea27070316539f4490..404024d415ac627789bb62b3f1dbffc1b6410448 100644 (file)
--- a/mtr.8.in
+++ b/mtr.8.in
@@ -190,6 +190,16 @@ Use this option to force
 .B mtr 
 to use the curses based terminal
 interface (if available).
+In case the list of hops exceeds the 
+height of your terminal, you can use the 
+.B +
+and
+.B -
+keys to scroll up and down half a page.
+
+.B Ctrl\fR-\fPL
+clears spurious error messages that may overwrite other parts of the display.
+
 .TP
 .B -\-displaymode \fIMODE
 Use this option to select the initial display mode: 0 (default)