Fix capitalization lint.

internal/p2p/pex/reactor.go

@@ -259,7 +259,7 @@ func (r *Reactor) handlePexMessage(ctx context.Context, envelope *p2p.Envelope)
 
 		// Verify that the response does not exceed the safety limit.
 		if len(msg.Addresses) > maxAddresses {
-			return 0, fmt.Errorf("Peer sent too many addresses (%d > maxiumum %d)",
+			return 0, fmt.Errorf("peer sent too many addresses (%d > maxiumum %d)",
 				len(msg.Addresses), maxAddresses)
 		}
 

internal/p2p/pex/reactor_test.go

@@ -189,7 +189,7 @@ func TestReactorErrorsOnReceivingTooManyPeers(t *testing.T) {
 	peerErr := <-r.pexErrCh
 	require.Error(t, peerErr.Err)
 	require.Empty(t, r.pexOutCh)
-	require.Contains(t, peerErr.Err.Error(), "Peer sent too many addresses")
+	require.Contains(t, peerErr.Err.Error(), "peer sent too many addresses")
 	require.Equal(t, peer.NodeID, peerErr.NodeID)
 }