Fix a few typos

man/shairport-sync.7

@@ -53,7 +53,7 @@ If you want shairport-sync to wait until the command has completed before contin
 Print brief help message and exit. 
 .TP
 \fB-i | --iTunesLatency=\f1\fIlatency\f1
-Use this \fIlatency\f1, in frames, for audio streamed from an iTunes source, where iTunes is Version 10 or later. The default is 99,400 frames, where there are 44,100 frames to the second. If the source is iTunes but is earler than Version 10, the \fIdefault latency\f1 is used (see the \fB-L\f1 option). Some third party programs masquerade as old version of iTunes. 
+Use this \fIlatency\f1, in frames, for audio streamed from an iTunes source, where iTunes is Version 10 or later. The default is 99,400 frames, where there are 44,100 frames to the second. If the source is iTunes but is earler than Version 10, the \fIdefault latency\f1 is used (see the \fB-L\f1 option). Some third party programs masquerade as older versions of iTunes. 
 .TP
 \fB-k | --kill\f1
 Kill the shairport-sync daemon and exit. (Requires that the daemon has written its PID to an agreed file -- see the \fB-d\f1 option). 

man/shairport-sync.7.xml

@@ -160,7 +160,7 @@
  <optdesc><p>
  Use this <arg>latency</arg>, in frames, for audio streamed from an iTunes
  source, where iTunes is Version 10 or later. The default is 99,400 frames, where there are 44,100
- frames to the second. If the source is iTunes but is earler than Version 10, the <arg>default latency</arg> is used (see the <opt>-L</opt> option). Some third party programs masquerade as old version of iTunes.
+ frames to the second. If the source is iTunes but is earler than Version 10, the <arg>default latency</arg> is used (see the <opt>-L</opt> option). Some third party programs masquerade as older versions of iTunes.
  </p></optdesc>
  </option>
 

man/shairport-sync.html

@@ -145,7 +145,7 @@ <h2>Program Options</h2>
  <p>
  Use this <em>latency</em>, in frames, for audio streamed from an iTunes
  source, where iTunes is Version 10 or later. The default is 99,400 frames, where there are 44,100
- frames to the second. If the source is iTunes but is earler than Version 10, the <em>default latency</em> is used (see the <b>-L</b> option). Some third party programs masquerade as old version of iTunes.
+ frames to the second. If the source is iTunes but is earler than Version 10, the <em>default latency</em> is used (see the <b>-L</b> option). Some third party programs masquerade as older versions of iTunes.
  </p>
 
 

shairport.c

@@ -151,13 +151,12 @@ void usage(char *progname) {
  printf(" -v, --verbose -v print debug information; -vv more; -vvv lots\n");
  printf(" -p, --port=PORT set RTSP listening port\n");
  printf(" -a, --name=NAME set advertised name\n");
- printf(" -A, --AirPlayLatency=FRAMES set how many frames between a just-received frame and audio output\n");
- printf(" if the source's User Agent is \"AirPlay\". The default value is %u frames.\n", config.AirPlayLatency);
- printf(" -i, --iTunesLatency=FRAMES set how many frames between a just-received frame and audio output\n");
- printf(" if the source's User Agent is \"iTunes\". The default value is %u frames.\n", config.iTunesLatency);
- printf(" -L, --latency=FRAMES set how many frames between a just-received frame and audio output\n");
- printf(" starts. This value is in frames; if non-zero overrides all other latencies.\n");
- printf(" Default latency without \"AirPlay\" or \"iTunes\" User Agent is %u frames.\n", config.AirPlayLatency);
+ printf(" -A, --AirPlayLatency=FRAMES set the latency for audio sent from an AirPlay device.\n");
+ printf(" The default value is %u frames.\n", config.AirPlayLatency);
+ printf(" -i, --iTunesLatency=FRAMES set the latency for audio sent from iTunes 10 or later. \n");
+ printf(" The default value is %u frames.\n", config.iTunesLatency);
+ printf(" -L, --latency=FRAMES set the latency for audio sent from an unknown device\n");
+ printf(" or from an old version of iTunes. Default is %d frames.\n",config.latency);
  printf(" -S, --stuffing=MODE set how to adjust current latency to match desired latency \n");
  printf(" \"basic\" (default) inserts or deletes audio frames from packet frames with low processor overhead.\n");
  printf(" \"soxr\" uses libsoxr to minimally resample packet frames -- moderate processor overhead.\n");