man/bootup.xml: Fix grammar by adding missing verb »is«

diff --git a/man/bootup.xml b/man/bootup.xml
index 69f9a273b95b003e0e7c12ebcbb8f169acaf1131..e29c1a016796a0309e147fdf7a737e5ad874452e 100644 (file)
--- a/man/bootup.xml
+++ b/man/bootup.xml
@@ -73,7 +73,7 @@
                 storage technologies backing them), and then
                 (optionally) jumps back into the initrd code which
                 unmounts/detaches the root file system and the storage
-                it resides on. As last step the system powered down.</para>
+                it resides on. As last step the system is powered down.</para>
 
                 <para>Additional information about the system boot
                 process may be found in