routing: fix some comments

Found these when I went through the code path of authx.

Tested: comment only changes.

Signed-off-by: Nan Zhou <nanzhoumails@gmail.com>
Change-Id: Id80725f4bf5f3972e975347dcac8598e2ffab332
diff --git a/http/routing.hpp b/http/routing.hpp
index 3c0917f..4a03a53 100644
--- a/http/routing.hpp
+++ b/http/routing.hpp
@@ -1362,7 +1362,7 @@
                 passwordExpired = false;
             }
 
-            // Get the userprivileges from the role
+            // Get the user's privileges from the role
             redfish::Privileges userPrivileges =
                 redfish::getUserPrivileges(userRole);
 
@@ -1371,10 +1371,10 @@
             // value from any previous use of this session.
             req.session->isConfigureSelfOnly = *passwordExpired;
 
-            // Modifyprivileges if isConfigureSelfOnly.
+            // Modify privileges if isConfigureSelfOnly.
             if (req.session->isConfigureSelfOnly)
             {
-                // Remove allprivileges except ConfigureSelf
+                // Remove all privileges except ConfigureSelf
                 userPrivileges = userPrivileges.intersection(
                     redfish::Privileges{"ConfigureSelf"});
                 BMCWEB_LOG_DEBUG << "Operation limited to ConfigureSelf";