change capitalization to match the rest of the docs

Author: mchammer01

data/reusables/enterprise_installation/replica-limit.md

@@ -1,7 +1,7 @@
 {% if  currentVersion ver_gt "enterprise-server@2.21" %}
 {% note %}
 
-**Note:** There is a maximum of 8 High Availability replicas (both passive and active/geo replicas) allowed for {% data variables.product.product_name %}.
+**Note:** There is a maximum of 8 high availability replicas (both passive and active/geo replicas) allowed for {% data variables.product.product_name %}.
 
 {% endnote %}