patch 9.1.1486: documentation issues with Wayland

Problem:  documentation issues with Wayland
          (after v9.1.1485)
Solution: Tweak documentation style. Capitalize the first letter of
          Wayland (Hirohito Higashi)

related: #17619

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>
diff --git a/runtime/doc/builtin.txt b/runtime/doc/builtin.txt
index 969b9c7..00730a7 100644
--- a/runtime/doc/builtin.txt
+++ b/runtime/doc/builtin.txt
@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.1.  Last change: 2025 Jun 27
+*builtin.txt*	For Vim version 9.1.  Last change: 2025 Jun 28
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -13039,7 +13039,7 @@
 vtp			Compiled for vcon support |+vtp| (check vcon to find
 			out if it works in the current console).
 wayland			Compiled with Wayland protocol support.
-wayland_clipboard       Compiled with support for Wayland selections/clipboard
+wayland_clipboard	Compiled with support for Wayland selections/clipboard
 wildignore		Compiled with 'wildignore' option.
 wildmenu		Compiled with 'wildmenu' option.
 win16			old version for MS-Windows 3.1 (always false)