diff --git a/doc/kitty-scrollback.nvim_spec.txt b/doc/kitty-scrollback.nvim_spec.txt
index 25630355..8c161a4f 100644
--- a/doc/kitty-scrollback.nvim_spec.txt
+++ b/doc/kitty-scrollback.nvim_spec.txt
@@ -58,9 +58,9 @@ KsbCallbacks                              *kitty-scrollback.launch.KsbCallbacks*
 KsbKittyGetText                        *kitty-scrollback.launch.KsbKittyGetText*
 
     Fields: ~
-        {ansi}             (boolean)                                                                                                                             If true, the text will include the ANSI formatting escape codes for colors, bold, italic, etc.
-        {clear_selection}  (boolean)                                                                                                                             If true, clear the selection in the matched window, if any.
-        {extent}           (string|"screen"|"all"|"selection"|"first_cmd_output_on_screen"|"last_cmd_output"|"last_visited_cmd_output"|"last_non_empty_output")  What text to get. The default of screen means all text currently on the screen. all means all the screen+scrollback and selection means the currently selected text. first_cmd_output_on_screen means the output of the first command that was run in the window on screen. last_cmd_output means the output of the last command that was run in the window. last_visited_cmd_output means the first command output below the last scrolled position via scroll_to_prompt. last_non_empty_output is the output from the last command run in the window that had some non empty output. The last four require shell_integration to be enabled. Choices: screen, all, first_cmd_output_on_screen, last_cmd_output, last_non_empty_output, last_visited_cmd_output, selection
+        {ansi}             (boolean|nil)                                                                                                                             If true, the text will include the ANSI formatting escape codes for colors, bold, italic, etc.
+        {clear_selection}  (boolean|nil)                                                                                                                             If true, clear the selection in the matched window, if any.
+        {extent}           (string|nil|"screen"|"all"|"selection"|"first_cmd_output_on_screen"|"last_cmd_output"|"last_visited_cmd_output"|"last_non_empty_output")  What text to get. The default of screen means all text currently on the screen. all means all the screen+scrollback and selection means the currently selected text. first_cmd_output_on_screen means the output of the first command that was run in the window on screen. last_cmd_output means the output of the last command that was run in the window. last_visited_cmd_output means the first command output below the last scrolled position via scroll_to_prompt. last_non_empty_output is the output from the last command run in the window that had some non empty output. The last four require shell_integration to be enabled. Choices: screen, all, first_cmd_output_on_screen, last_cmd_output, last_non_empty_output, last_visited_cmd_output, selection
 
 
                                   *kitty-scrollback.launch.KsbStatusWindowIcons*