docs: mention WLR_RENDERER=vulkan.

This option was added with commit 8e34692250.
3 years ago · e736ebc63c
parent fdf3169b41
commit e736ebc63c
1 changed files with 1 additions and 1 deletions
--- a/docs/env_vars.md
+++ b/docs/env_vars.md
@ -10,7 +10,7 @@ wlroots reads these environment variables
 * *WLR_XWAYLAND*: specifies the path to an Xwayland binary to be used (instead
  of following shell search semantics for "Xwayland")
 * *WLR_RENDERER*: forces the creation of a specified renderer (available
-  renderers: gles2, pixman)
+  renderers: gles2, pixman, vulkan)
 ## DRM backend