diff --git a/protocol/rtp/client.go b/protocol/rtp/client.go
index e8998917..ff4dda24 100644
--- a/protocol/rtp/client.go
+++ b/protocol/rtp/client.go
@@ -67,12 +67,8 @@ type Client struct {
 // NewClient returns a pointer to a new Client.
 //
 // addr is the address of form <ip>:<port> that we expect to receive
-// RTP at. op is a function, if non nil, that will be used to perform an
-// operation on each received RTP packet. For example, the op func may parse
-// out the RTP payload. The result of the operation is then what is stored
-// in the ringBuffer for reading. l is a logging function defined by the
-// signuture of the log type defined above. rt is the read timeout used when
-// reading from the client ringbuffer.
+// RTP at. l is a logging function defined by the signuture of the log type
+// defined above. rt is the read timeout used when reading from the client ringbuffer.
 func NewClient(addr string, l log, rt time.Duration) (*Client, error) {
 	c := &Client{
 		done: make(chan struct{}, chanSize),