Fix a couple of minor typos

Author: davidplowman

documentation/asciidoc/computers/camera/streaming.adoc

@@ -193,7 +193,7 @@ We could actually run any external program to output an MPEG-TS stream to this a
 ----
 $ rpicam-vid -t 0 -n --codec libav --low-latency --libav-format mpegts -o udp://127.0.0.1:1234?pkt_size=1316
 ----
-Note how this gives us the opportunity to alter the images in some way, perhaps using the rpicam-apps post-processing features, or the Picamera2 Python module. we've also used the `--low-latency` option which suppresses B-frames (on a Pi 5 or later; earlier Pis won't generate any), which is often advisable because some streaming formats that clients request do not support them.
+Note how this gives us the opportunity to alter the images in some way, perhaps using the rpicam-apps post-processing features, or the Picamera2 Python module. We've also used the `--low-latency` option which suppresses B-frames (on a Pi 5 or later; earlier Pis won't generate any), which is often advisable because some streaming formats that clients request do not support them.
 
 ==== Viewing with a Client
 
@@ -208,7 +208,7 @@ To view the stream in a web browser, use the address `http://<ip-addr-of-MediaMT
 
 [NOTE]
 ====
-If you notice occasional pauses in the video stream, this may be because the UDP receive buffers on the Pi (passing data from `rpicam-vid` to MediaMTX) are too small. To increase them permantently, create a file called `/etc/sysctl.d/99-network-tuning.conf` containing
+If you notice occasional pauses in the video stream, this may be because the UDP receive buffers on the Pi (passing data from `rpicam-vid` to MediaMTX) are too small. To increase them permanently, create a file called `/etc/sysctl.d/99-network-tuning.conf` containing
 ----
 net.core.rmem_default=1000000
 net.core.rmem_max=1000000