Update source/manual/how-tos/shaper_control_plane.rst

Co-authored-by: Stephan de Wit <[email protected]>

Author: SeimusS

source/manual/how-tos/shaper_control_plane.rst

@@ -12,7 +12,7 @@ There are 3 Planes:
 
 1. **The control plane**
 
-   Affect the operationability of the network.
+   Affects the operability of the network.
 
    The control plane is the brain of the router. It consists of dynamic IP routing protocols (that is OSPF, IS-IS, BGP, and so on), 
    the RIB, routing updates, in addition to other protocols such as PIM, IGMP, ICMP, ARP, BFD, LACP, and so on.