docs: add 3 missing spaces

docs/architecture.html.in

@@ -83,7 +83,7 @@ drivers present in driver.h:</p>
       <li>xen_internal: provide the implementation of the functions possible via
     direct hypervisor access</li>
       <li>proxy_internal: provide read-only Xen access via a proxy, the proxy code
-    is in the <code>proxy/</code>directory.</li>
+    is in the <code>proxy/</code> directory.</li>
       <li>xm_internal: provide support for Xen defined but not running
     domains.</li>
       <li>qemu_internal: implement the driver functions for QEmu and

docs/auth.html.in

@@ -72,7 +72,7 @@ available. The two libvirt daemon actions available are named <code>org.libvirt.
 for the RO socket, and <code>org.libvirt.unix.manage</code> for the RW socket.
 </p>
     <p>
-As an example, to allow a user <code>fred</code>full access to the RW socket,
+As an example, to allow a user <code>fred</code> full access to the RW socket,
 while requiring <code>joe</code> to authenticate with the admin password,
 would require adding the following snippet to <code>PolicyKit.conf</code>.
 </p>

docs/logging.html.in

@@ -96,7 +96,7 @@
       <li><code>x:stderr</code> output goes to stderr</li>
       <li><code>x:syslog:name</code> use syslog for the output and use the
       given <code>name</code> as the ident</li>
-      <li><code>x:file:file_path</code>output to a file, with the given
+      <li><code>x:file:file_path</code> output to a file, with the given
       filepath</li>
     </ul>
     <p>In all cases the x prefix is the minimal level, acting as a filter:</p>