runtime(doc): add missing entries for the keys CTRL-W g<Tab> and <C-Tab>

fixes: #14777
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/tabpage.txt b/runtime/doc/tabpage.txt
index a922604..abbc778 100644
--- a/runtime/doc/tabpage.txt
+++ b/runtime/doc/tabpage.txt
@@ -1,4 +1,4 @@
-*tabpage.txt*   For Vim version 9.1.  Last change: 2024 Mar 25
+*tabpage.txt*   For Vim version 9.1.  Last change: 2024 May 15
 
 
 		  VIM REFERENCE MANUAL    by Bram Moolenaar
@@ -225,8 +225,9 @@
 							*:tabl* *:tablast*
 :tabl[ast]	Go to the last tab page.
 
-					*g<Tab>* *CTRL-W_g<Tab>* *<C-Tab>*
-g<Tab>		Go to the last accessed tab page.
+<C-Tab>					*g<Tab>* *CTRL-W_g<Tab>* *<C-Tab>*
+g<Tab>
+CTRL-W g<Tab>	Go to the last accessed tab page.
 
 Other commands:
 							*:tabs*