Merge "Fix typos"

module002-ch003-neutron-use-cases.xml

@@ -92,7 +92,7 @@
             has a default router for Internet traffic.</para>
         <para>The router provides L3 connectivity between private
             networks, meaning that different tenants can reach each
-            others instances unless additional filtering, such as
+            other's instances unless additional filtering, such as
             security groups, is used. Because there is only a single
             router, tenant networks cannot use overlapping IPs. Thus,
             it is likely that the admin would create the private