man: Document \: escapes in nspawn's --overlay option

diff --git a/man/systemd-nspawn.xml b/man/systemd-nspawn.xml
index 095f511154e86a1edc9275418e4d3d15dd66d770..496674925973d77bbff73dcd9ff147de88d00f10 100644 (file)
--- a/man/systemd-nspawn.xml
+++ b/man/systemd-nspawn.xml
@@ -617,6 +617,10 @@
         list of colon-separated paths to the directory trees to
         combine and the destination mount point.</para>
 
+        <para>Backslash escapes are interpreted in the paths, so
+        <literal>\:</literal> may be used to embed colons in the paths.
+        </para>
+
         <para>If three or more paths are specified, then the last
         specified path is the destination mount point in the
         container, all paths specified before refer to directory trees