docs: add a missing : character

This adds the missing colon character to the section systemd-sysusers.

diff --git a/docs/ENVIRONMENT.md b/docs/ENVIRONMENT.md
index c41637044025281ad37c072947b60d9ae9f264fd..f6f1216c054f472d84b83670e4f8a9b1fb4920a5 100644 (file)
--- a/docs/ENVIRONMENT.md
+++ b/docs/ENVIRONMENT.md
@@ -404,7 +404,7 @@ All tools:
   subvolumes if the backing filesystem supports them. If set to `0`, these
   lines will always create directories.
 
-`systemd-sysusers`
+`systemd-sysusers`:
 
 * `$SOURCE_DATE_EPOCH` — if unset, the field of the date of last password change
   in `/etc/shadow` will be the number of days from Jan 1, 1970 00:00 UTC until