For consistency providing link bindings, making three corrections by …

…hand on label properties (prop[@name='label']:

- 'AC-20a.1' becomes 'AC-20a.01'
- 'AC-20a.2' becomes 'AC-20a.02'
- 'PE-03(01)02]' becomes 'PE-03(01)[02]'

src/nist.gov/SP800-53/rev5/xml/NIST_SP-800-53_rev5_catalog.xml

@@ -9420,11 +9420,11 @@
         <part id="ac-20_obj.a" name="assessment-objective">
           <prop name="label" class="sp800-53a" value="AC-20a."/>
           <part id="ac-20_obj.a.1" name="assessment-objective">
-            <prop name="label" class="sp800-53a" value="AC-20a.1"/>
+            <prop name="label" class="sp800-53a" value="AC-20a.01"/>
             <p><insert type="param" id-ref="ac-20_odp.01"/> is/are consistent with the trust relationships established with other organizations owning, operating, and/or maintaining external systems, allowing authorized individuals to access the system from external systems (if applicable);</p>
           </part>
           <part id="ac-20_obj.a.2" name="assessment-objective">
-            <prop name="label" class="sp800-53a" value="AC-20a.2"/>
+            <prop name="label" class="sp800-53a" value="AC-20a.02"/>
             <p><insert type="param" id-ref="ac-20_odp.01"/> is/are consistent with the trust relationships established with other organizations owning, operating, and/or maintaining external systems, allowing authorized individuals to process, store, or transmit organization-controlled information using external systems (if applicable);</p>
           </part>
         </part>
@@ -39069,7 +39069,7 @@
             <p>physical access authorizations to the system are enforced;</p>
           </part>
           <part id="pe-3.1_obj.2" name="assessment-objective">
-            <prop name="label" class="sp800-53a" value="PE-03(01)02]"/>
+            <prop name="label" class="sp800-53a" value="PE-03(01)[02]"/>
             <p>physical access controls are enforced for the facility at <insert type="param" id-ref="pe-03.01_odp"/>.</p>
           </part>
         </part>