man: clarify that $CACHE_DIRECTORY affects --workspace-directory

diff --git a/mkosi/resources/man/mkosi.1.md b/mkosi/resources/man/mkosi.1.md
index f1772b179c7d7e65982ad770c47b5980ca77ded9..d1844ca432cd3c413cd7bbf7d9c7429aa8e2d2c8 100644 (file)
--- a/mkosi/resources/man/mkosi.1.md
+++ b/mkosi/resources/man/mkosi.1.md
@@ -1456,7 +1456,8 @@ boolean argument: either `1`, `yes`, or `true` to enable, or `0`, `no`,
     building the image. This directory should have enough space to store
     the full OS image, though in most modes the actually used disk space
     is smaller. If not specified, a subdirectory of `$XDG_CACHE_HOME` (if
-    set), `$HOME/.cache` (if set) or `/var/tmp` is used.
+    set), `$CACHE_DIRECTORY` (if set), `$HOME/.cache` (if set) or `/var/tmp`
+    is used.
 
     The data in this directory is removed automatically after each
     build. It's safe to manually remove the contents of this directory