[gtk/tweak-option-docs] Tweak the vulkan option description

[Matthias Clasen <matthiasc src gnome org>]

commit aa0f564aa13cd2451fa9fe246c5ea90aa368cf09
Author: Matthias Clasen <mclasen redhat com>
Date:   Tue Aug 23 08:27:24 2022 -0400

    Tweak the vulkan option description
    
    The thing that is experimental is our renderer,
    not the vulkan API.

 meson_options.txt | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)
---
diff --git a/meson_options.txt b/meson_options.txt
index 2084ab86e1..c1df7478eb 100644
--- a/meson_options.txt
+++ b/meson_options.txt
@@ -51,7 +51,7 @@ option('print-cups',
 option('vulkan',
        type: 'feature',
        value: 'disabled',
-       description : 'Enable support for the experimental Vulkan graphics API')
+       description : 'Enable support for the experimental Vulkan renderer')
 
 option('cloudproviders',
        type: 'feature',