diff --git a/src/github.com/matrix-org/go-neb/polling/polling.go b/src/github.com/matrix-org/go-neb/polling/polling.go
index f679b80..26f9094 100644
--- a/src/github.com/matrix-org/go-neb/polling/polling.go
+++ b/src/github.com/matrix-org/go-neb/polling/polling.go
@@ -19,6 +19,7 @@ var (
 )
 var clientPool *clients.Clients
 
+// SetClients sets a pool of clients for passing into OnPoll
 func SetClients(clis *clients.Clients) {
 	clientPool = clis
 }