Fixed typo in adoc header.

petterreinholdtsen · petterreinholdtsen · commit d379edb0e716 · 2023-10-07T06:08:45.000+02:00
diff --git a/docs/src/getting-started/updating-linuxcnc.adoc b/docs/src/getting-started/updating-linuxcnc.adoc
@@ -1,4 +1,4 @@
-8:lang: en
+:lang: en
 :toc:
 
 [[cha:updating-linuxcnc]]
