Minor edits facets tags EN NL knowledge base

Author: jfparie

content/english/knowledge-platform/knowledge-base.md

@@ -29,7 +29,7 @@ facet_groups:
       - value: review
         label: Review
       - value: standard
-        label: Publieke standaard
+        label: Public standard
       - value: white_paper
         label: White paper
 pagesize: 4

content/nederlands/knowledge-platform/knowledge-base.md

@@ -6,7 +6,7 @@ facet_groups:
       - value: algoprudence
         label: Algoprudentie
       - value: GDPR
-        label: Avg
+        label: AVG
       - value: DSA
         label: DSA
       - value: FR