man: improve documentation for specifiers

[elogind.git] / man / journalctl.xml

diff --git a/man/journalctl.xml b/man/journalctl.xml
index 6b4b7572f633b3a5c149159196157672fc93c539..91cc322604531ba8aef1c74fb9c75066c5f1b0ba 100644 (file)
--- a/man/journalctl.xml
+++ b/man/journalctl.xml
@@ -332,7 +332,8 @@
                                 (<literal>_SYSTEMD_UNIT=</literal>)
                                 and additional matches for messages
                                 from systemd and messages about
-                                coredumps for the specified unit.
+                                coredumps for the specified unit.</para>
+                                <para>This parameter can be specified multiple times.
                                 </para></listitem>
                         </varlistentry>
 
@@ -346,7 +347,8 @@
                                 and <literal>_UID=</literal>) and
                                 additional matches for messages from
                                 session systemd and messages about
-                                coredumps for the specified unit.
+                                coredumps for the specified unit.</para>
+                                <para>This parameter can be specified multiple times.
                                 </para></listitem>
                         </varlistentry>
 
@@ -447,6 +449,20 @@
                                 paths.</para></listitem>
                         </varlistentry>
 
+                        <varlistentry>
+                                <term><option>--root=<replaceable>ROOT</replaceable></option></term>
+
+                                <listitem><para>Takes a directory path
+                                as argument. If specified journalctl
+                                will operate on catalog file hierarchy
+                                underneath the specified directory
+                                instead of the root directory
+                                (e.g. <option>--update-catalog</option>
+                                will create
+                                <filename><replaceable>ROOT</replaceable>/var/lib/systemd/catalog/database</filename>).
+                                </para></listitem>
+                        </varlistentry>
+
                         <varlistentry>
                                 <term><option>--new-id128</option></term>