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/src/testdir/test_wayland.vim b/src/testdir/test_wayland.vim
index ef4d8fb..5dd6065 100644
--- a/src/testdir/test_wayland.vim
+++ b/src/testdir/test_wayland.vim
@@ -115,7 +115,7 @@
 
   call assert_equal(l:wayland_display, v:wayland_display)
 
-  " Check if calling wlrestore without arguments uses the existing wayland
+  " Check if calling wlrestore without arguments uses the existing Wayland
   " display.
   wlrestore!
   call assert_equal(l:wayland_display, v:wayland_display)
@@ -151,7 +151,7 @@
   call EndWaylandCompositor(l:wayland_display)
 endfunc
 
-" Test behaviour when wayland display connection is lost
+" Test behaviour when Wayland display connection is lost
 func Test_wayland_connection_lost()
   call s:PreTest()
 
@@ -356,7 +356,7 @@
   bw!
 endfunc
 
-" Test if autoselect option in 'clipboard' works properly for wayland
+" Test if autoselect option in 'clipboard' works properly for Wayland
 func Test_wayland_autoselect_works()
   call s:PreTest()
   call s:CheckXConnection()