diff --git a/doc/install-guide/section_cinder-controller.xml b/doc/install-guide/section_cinder-controller.xml
index ce14de6ac1..330eb8b8db 100644
--- a/doc/install-guide/section_cinder-controller.xml
+++ b/doc/install-guide/section_cinder-controller.xml
@@ -176,10 +176,10 @@ admin_password = <replaceable>CINDER_PASS</replaceable></programlisting>
 <prompt>#</prompt> <userinput>chkconfig openstack-cinder-scheduler on</userinput></screen>
     </step>
     <step os="ubuntu">
-      <para>By default, the Ubuntu packages create an SQLite database.
-        Because this configuration uses a SQL database server, remove
+      <para>By default, the Ubuntu packages create an SQLite database.</para>
+      <para>Because this configuration uses a SQL database server, remove
         the SQLite database file:</para>
-      <screen><prompt>#</prompt> <userinput>rm /var/lib/cinder/cinder.sqlite</userinput></screen>
+      <screen><prompt>#</prompt> <userinput>rm -f /var/lib/cinder/cinder.sqlite</userinput></screen>
     </step>
   </procedure>
 </section>
diff --git a/doc/install-guide/section_glance-install.xml b/doc/install-guide/section_glance-install.xml
index be8d3ae8a7..f946e6f7a6 100644
--- a/doc/install-guide/section_glance-install.xml
+++ b/doc/install-guide/section_glance-install.xml
@@ -214,7 +214,7 @@ flavor = keystone</programlisting>
       <para>By default, the Ubuntu packages create an SQLite database.</para>
       <para>Because this configuration uses a SQL database server, you can
         remove the SQLite database file:</para>
-      <screen><prompt>#</prompt> <userinput>rm /var/lib/glance/glance.sqlite</userinput></screen>
+      <screen><prompt>#</prompt> <userinput>rm -f /var/lib/glance/glance.sqlite</userinput></screen>
     </step>
   </procedure>
 </section>
diff --git a/doc/install-guide/section_heat-install.xml b/doc/install-guide/section_heat-install.xml
index 0ff5d04693..3057f8c163 100644
--- a/doc/install-guide/section_heat-install.xml
+++ b/doc/install-guide/section_heat-install.xml
@@ -201,7 +201,7 @@ auth_uri = http://<replaceable>controller</replaceable>:5000/v2.0</programlistin
       <para>By default, the Ubuntu packages create a SQLite database.</para>
       <para>Because this configuration uses a SQL database server, you
         can remove the SQLite database file:</para>
-      <screen><prompt>#</prompt> <userinput>rm /var/lib/heat/heat.sqlite</userinput></screen>
+      <screen><prompt>#</prompt> <userinput>rm -f /var/lib/heat/heat.sqlite</userinput></screen>
     </step>
   </procedure>
 </section>
diff --git a/doc/install-guide/section_nova-compute-install.xml b/doc/install-guide/section_nova-compute-install.xml
index 6f9ef17d3e..8a1e491fcb 100644
--- a/doc/install-guide/section_nova-compute-install.xml
+++ b/doc/install-guide/section_nova-compute-install.xml
@@ -198,7 +198,7 @@ virt_type = qemu</programlisting>
       <para>By default, the Ubuntu packages create an SQLite database.</para>
       <para>Because this configuration uses a SQL database server, you can
         remove the SQLite database file:</para>
-      <screen><prompt>#</prompt> <userinput>rm /var/lib/nova/nova.sqlite</userinput></screen>
+      <screen><prompt>#</prompt> <userinput>rm -f /var/lib/nova/nova.sqlite</userinput></screen>
     </step>
   </procedure>
 </section>
diff --git a/doc/install-guide/section_nova-controller-install.xml b/doc/install-guide/section_nova-controller-install.xml
index c0fea661f4..02c7ae2903 100644
--- a/doc/install-guide/section_nova-controller-install.xml
+++ b/doc/install-guide/section_nova-controller-install.xml
@@ -224,7 +224,7 @@ vncserver_proxyclient_address = 10.0.0.11</programlisting>
       <para>By default, the Ubuntu packages create an SQLite database.</para>
       <para>Because this configuration uses a SQL database server, you can
         remove the SQLite database file:</para>
-      <screen><prompt>#</prompt> <userinput>rm /var/lib/nova/nova.sqlite</userinput></screen>
+      <screen><prompt>#</prompt> <userinput>rm -f /var/lib/nova/nova.sqlite</userinput></screen>
     </step>
   </procedure>
 </section>