diff --git a/README.md b/README.md
index 4ba3f9e2..4259f269 100644
--- a/README.md
+++ b/README.md
@@ -45,7 +45,7 @@ Features:
   * Parse RTSP elements
   * Encode/decode format-specific frames into/from RTP packets. The following formats are supported:
     * Video: H264, H265, M-JPEG, VP8, VP9
-    * Audio: G711 (PCMA, PCMU), G722, LPCM, MPEG-2 Audio (MP3), MPEG-4 Audio (AAC), Opus
+    * Audio: G711 (PCMA, PCMU), G722, LPCM, MPEG-2 audio (MP3), MPEG-4 audio (AAC), Opus
 
 ## Table of contents
 
diff --git a/client.go b/client.go
index 91bab5f7..2fafb4c0 100644
--- a/client.go
+++ b/client.go
@@ -361,7 +361,8 @@ func (c *Client) Start(scheme string, host string) error {
 		c.senderReportPeriod = 10 * time.Second
 	}
 	if c.udpReceiverReportPeriod == 0 {
-		c.udpReceiverReportPeriod = 10 * time.Second
+		// some cameras require a maximum of 5secs between keepalives
+		c.udpReceiverReportPeriod = 5 * time.Second
 	}
 	if c.checkStreamPeriod == 0 {
 		c.checkStreamPeriod = 1 * time.Second