Fixes post merge netobserv operator

Author: skrthomas

_topic_maps/_topic_map.yml

@@ -1321,7 +1321,7 @@ Topics:
     File: network-observability-overview
   - Name: Understanding Network Observability Operator
     File: understanding-network-observability-operator
-  - Name: Installing Network Observability operators
+  - Name: Installing Network Observability Operators
     File: installing-operators
   - Name: Configuring the Network Observability Operator
     File: configuring-operator