3 files changed, 4 insertions, 11 deletions
diff --git a/libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino b/libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino
index 61ce88c..061bb70 100644
--- a/libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino
+++ b/libraries/SoftwareSerial/examples/SoftwareSerialExample/SoftwareSerialExample.ino
@@ -1,5 +1,5 @@
 /*
-  Software serial multple serial test
+  Software serial multiple serial test
 
  Receives from the hardware serial, sends to software serial.
  Receives from software serial, sends to hardware serial.
@@ -52,4 +52,3 @@ void loop() { // run over and over
     mySerial.write(Serial.read());
   }
 }
-
diff --git a/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino b/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino
index 8d7f93e..d8c064b 100644
--- a/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino
+++ b/libraries/SoftwareSerial/examples/TwoPortReceive/TwoPortReceive.ino
@@ -1,5 +1,5 @@
 /*
-  Software serial multple serial test
+  Software serial multiple serial test
 
  Receives from the two software serial ports,
  sends to the hardware serial port.
@@ -56,7 +56,7 @@ void setup() {
 }
 
 void loop() {
-  // By default, the last intialized port is listening.
+  // By default, the last initialized port is listening.
   // when you want to listen on a port, explicitly select it:
   portOne.listen();
   Serial.println("Data from port one:");
@@ -83,9 +83,3 @@ void loop() {
   // blank line to separate data from the two ports:
   Serial.println();
 }
-
-
-
-
-
-
diff --git a/libraries/SoftwareSerial/src/SoftwareSerial.cpp b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
index 3163d7a..5a387ab 100644
--- a/libraries/SoftwareSerial/src/SoftwareSerial.cpp
+++ b/libraries/SoftwareSerial/src/SoftwareSerial.cpp
@@ -409,7 +409,7 @@ int SoftwareSerial::available()
   if (!isListening())
     return 0;
 
-  return (_receive_buffer_tail + _SS_MAX_RX_BUFF - _receive_buffer_head) % _SS_MAX_RX_BUFF;
+  return ((unsigned int)(_receive_buffer_tail + _SS_MAX_RX_BUFF - _receive_buffer_head)) % _SS_MAX_RX_BUFF;
 }
 
 size_t SoftwareSerial::write(uint8_t b)