Fix markup in su.1.adoc

diff --git a/login-utils/su.1.adoc b/login-utils/su.1.adoc
index 72abfdcc807c6d6751a6fcdaea69d391f23c5b28..22f0f1f56296ee2f738834e1841960418efac850 100644 (file)
--- a/login-utils/su.1.adoc
+++ b/login-utils/su.1.adoc
@@ -48,10 +48,10 @@ Specify a supplementary group. This option is available to the root user only. T
 *-*, *-l*, *--login*::
 Start the shell as a login shell with an environment similar to a real login.
 +
-Note that on systemd-based systems, a new session may be defined as a real
+Note that on *systemd*(1)-based systems, a new session may be defined as a real
 entry point to the system. However, *su* does not create a real session (by
-PAM) from this point of view. You need to use tools like *systemd-run* or
-*machinectl* to initiate a complete, real session.
+PAM) from this point of view. You need to use tools like *systemd-run*(1) or
+*machinectl*(1) to initiate a complete, real session.
 +
 *su* does:
 +