diff --git a/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml b/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
index 484b907518..d97c301f9c 100644
--- a/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
+++ b/bitbake/doc/bitbake-user-manual/bitbake-user-manual-metadata.xml
@@ -1191,6 +1191,15 @@
                 <listitem><para><emphasis>cleandirs:</emphasis>
                     Empty directories that should created before the task runs.
                     </para></listitem>
+                <listitem><para><emphasis>lockfiles:</emphasis>
+                     Specifies one or more lockfiles to lock while the task
+                     executes.
+                     Only one task may hold a lockfile, and any task that
+                     attempts to lock an already locked file will block until
+                     the lock is released.
+                     You can use this variable flag to accomplish mutual
+                     exclusion.
+                    </para></listitem>
                 <listitem><para><emphasis>noexec:</emphasis>
                     Marks the tasks as being empty and no execution required.
                     The <filename>noexec</filename> flag can be used to set up
@@ -1201,6 +1210,11 @@
                     Tells BitBake to not generate a stamp file for a task,
                     which implies the task should always be executed.
                     </para></listitem>
+                <listitem><para><emphasis>recideptask:</emphasis>
+                    When set in conjunction with
+                    <filename>recrdeptask</filename>, specifies a task that
+                    should be inspected for additional dependencies.
+                    </para></listitem>
                 <listitem><para><emphasis>umask:</emphasis>
                     The umask to run the task under.
                     </para></listitem>