fix: minor readme typo

Signed-off-by: Christopher Arndt <chris@chrisarndt.de>

README.md

@@ -14,9 +14,9 @@ before the first public release.
 
 Also, I plan to add a higher-level abstraction on top of the direct mapping
 from Nim procs and types to C functions and types, probably in the form of
-a JACk client object, which takes care of a JACK client instance, registering
+a JACK client object, which takes care of creating a JACK client instance,
-ports and setting up all the callbacks necessary for a well-behaved JACK 
+registering ports and setting up all the callbacks necessary for a well-behaved
-application.
+JACK application.
 
 
 # Installation

examples/jacket_port_connect_cb.nim

@@ -43,7 +43,6 @@ proc portConnected(portA: PortIdT; portB: PortIdT; connect: cint; arg: pointer)
         
     echo("Action: ", if connect > 0: "connect" else: "disconnect")
 
-
 addHandler(log)
 setErrorFunction(errorCb)
 jclient = clientOpen("jacket_port_connect_cb", NoStartServer.ord, status.addr)

examples/jacket_port_register.nim

@@ -33,7 +33,7 @@ debug "JACK server status: " & $status
 
 if jclient == nil:
     error getJackStatusErrorString(status)
-    quit 1
+    quit QuitFailure
 
 when defined(windows):
     setSignalProc(signalCb, SIGABRT, SIGINT, SIGTERM)

examples/jacket_sine.nim

@@ -79,10 +79,10 @@ debug "JACK server status: " & $status
 
 if jclient == nil:
     error getJackStatusErrorString(status)
-    quit 1
+    quit QuitFailure
 
 # Create sine oscillator
-let sampleRate =(float) jclient.getSampleRate()
+let sampleRate = jclient.getSampleRate.float
 debug "JACK sample rate: " & $sampleRate
 var osc = initSineOsc(sampleRate, sineFreq)
 
@@ -96,6 +96,7 @@ else:
 if jclient.setProcessCallback(processCb, osc.addr) != 0:
     error "Could not set JACK process callback function."
     cleanup()
+    quit QuitFailure
 
 jclient.onShutdown(shutdownCb, nil)