doc: update ConnectionType Doxygen documentation

src/net.h

@@ -111,7 +111,8 @@ struct CSerializedNetMsg
  * connection. Aside from INBOUND, all types are initiated by us.
  *
  * If adding or removing types, please update CONNECTION_TYPE_DOC in
- * src/rpc/net.cpp. */
+ * src/rpc/net.cpp and src/qt/rpcconsole.cpp, as well as the descriptions in
+ * src/qt/guiutil.cpp and src/bitcoin-cli.cpp::NetinfoRequestHandler. */
 enum class ConnectionType {
  /**
  * Inbound connections are those initiated by a peer. This is the only
@@ -122,16 +123,16 @@ enum class ConnectionType {
 
  /**
  * These are the default connections that we use to connect with the
- * network. There is no restriction on what is relayed- by default we relay
+ * network. There is no restriction on what is relayed; by default we relay
  * blocks, addresses & transactions. We automatically attempt to open
  * MAX_OUTBOUND_FULL_RELAY_CONNECTIONS using addresses from our AddrMan.
  */
  OUTBOUND_FULL_RELAY,
 
 
  /**
- * We open manual connections to addresses that users explicitly inputted
- * via the addnode RPC, or the -connect command line argument. Even if a
+ * We open manual connections to addresses that users explicitly requested
+ * via the addnode RPC or the -addnode/-connect configuration options. Even if a
  * manual connection is misbehaving, we do not automatically disconnect or
  * add it to our discouragement filter.
  */
@@ -150,7 +151,7 @@ enum class ConnectionType {
  * although in our codebase feeler connections encompass test-before-evict as well.
  * We make these connections approximately every FEELER_INTERVAL:
  * first we resolve previously found collisions if they exist (test-before-evict),
- * otherwise connect to a node from the new table.
+ * otherwise we connect to a node from the new table.
  */
  FEELER,