Use NOTE not Note (#50784)

data/reusables/enterprise_installation/replica-limit.md

@@ -1,6 +1,6 @@
 {% ifversion ghes %}
 
->[!Note]
+>[!NOTE]
 > There is a maximum of 8 high availability replicas (both passive and active/geo replicas, as well as repository cache instances) allowed for {% data variables.product.product_name %}.
 
 {% endif %}