docs - minor edit to gp_resource_group_bypass GUC base on release note review

gpdb-doc/dita/ref_guide/config_params/guc-list.xml

@@ -5054,9 +5054,9 @@
         this environment:<ul id="ul_vgc_rw4_j2b">
           <li>The query runs inside a resource group. The resource group assignment for the query
             does not change.</li>
-          <li>The query memory quota is 10 MB per query. The memory is allocated from resource group
-            shared memory or global shared memory. The query fails if there is not enough shared
-            memory available to fulfill the memory allocation request.</li>
+          <li>The query memory quota is approximately 10 MB per query. The memory is allocated from
+            resource group shared memory or global shared memory. The query fails if there is not
+            enough shared memory available to fulfill the memory allocation request.</li>
         </ul></p>
       <p>This parameter can be set for a session. The parameter cannot be set within a transaction
         or a function.</p>