Apply suggestion from @snoyer

Co-authored-by: snoyer <noyer.stephane@gmail.com>

Author: exbluesbreaker

doc/user/07-COMMANDS.md

@@ -82,7 +82,7 @@ eg:
 - `jump_to_frame 1` jump to frame 1.
 - `jump_to_frame 10` jump to frame 10.
 - `jump_to_frame -1` jump to last frame.
-- `jump_to_frame -2` jump to second last frame.
+- `jump_to_frame -2` jump to second to last frame.
 
 `jump_to_frame_relative`: A specific command to move the animation by a number of frames relative to the current frame, takes a frame offset as argument.
 eg: