man: document snapshot units

[elogind.git] / man / systemd.unit.xml

diff --git a/man/systemd.unit.xml b/man/systemd.unit.xml
index da077e2097bfe37d77b28dcd8094e3c3ee657f64..df8761391cc4edb560db7396df945e31c6ebfa4f 100644 (file)
--- a/man/systemd.unit.xml
+++ b/man/systemd.unit.xml
@@ -151,10 +151,13 @@
                 with the device node <filename>/dev/sda</filename> in
                 the file system namespace. If this applies a special
                 way to escape the path name is used, so that it is
-                usable as part of a file name. Basically, given a path,
-                "/" is replaced by "-", and all unprintable characters
-                and the "-" are replaced by C-style "\x20"
-                escapes. This escaping is reversible.</para>
+                usable as part of a file name. Basically, given a
+                path, "/" is replaced by "-", and all unprintable
+                characters and the "-" are replaced by C-style "\x20"
+                escapes. The root directory "/" is encoded as single
+                dash, while otherwise the initial and ending "/" is
+                removed from all paths during transformation. This
+                escaping is reversible.</para>
 
                 <para>Optionally, units may be instantiated from a
                 template file at runtime. This allows creation of