docs: Make more clear that the SHA256SUMS is prefixed with the output

Fixes #3027

diff --git a/mkosi/resources/man/mkosi.1.md b/mkosi/resources/man/mkosi.1.md
index 7a1f9789871174db52b71a2fb58b5e45fd7213d0..58598cdf6d433f9c6426d60c29872bfb4364459d 100644 (file)
--- a/mkosi/resources/man/mkosi.1.md
+++ b/mkosi/resources/man/mkosi.1.md
@@ -1196,8 +1196,8 @@ boolean argument: either `1`, `yes`, or `true` to enable, or `0`, `no`,
     access mode of 0600 or less.
 
 `Checksum=`, `--checksum`
-:   Generate a `SHA256SUMS` file of all generated artifacts after the
-    build is complete.
+:   Generate a `<output>.SHA256SUMS` file of all generated artifacts
+    after the build is complete.
 
 `Sign=`, `--sign`
 :   Sign the generated `SHA256SUMS` using **gpg** after completion.