Update wording from Appendix to Appendices.

mp911de · mp911de · commit 5866c0808a72 · 2021-09-14T08:42:09.000+02:00
Closes #2452
diff --git a/src/main/asciidoc/index.adoc b/src/main/asciidoc/index.adoc
@@ -28,7 +28,7 @@ include::auditing.adoc[]
 :leveloffset: -1
 
 [[appendix]]
-= Appendix
+= Appendices
 
 :numbered!:
 :leveloffset: +1
