Fix typos in documentation

Author: per1234

examples/Blocks/data_writer.inot

@@ -1,7 +1,7 @@
 
 /*
  * An 'int' SINK with a size of '0'. This kind of SINK has no buffer so the reading thread
- * will block until the writing thread has written something, or viceversa.
+ * will block until the writing thread has written something, or vice versa.
  */
 SINK(in, int, 0)
 
@@ -10,7 +10,7 @@ void setup() {
 }
 
 void loop() {
-  // Read an 'int' from the SINK and discards it. Since there is basically no delay in the loop
+  // Read an 'int' from the SINK and discard it. Since there is basically no delay in the loop
   // this call will surely block until something comes from the connected SOURCE. In this case
   // the pace is dictated by the SOURCE that sends data every 100 ms.
   in.read();

examples/SharedResources/SharedVariables.h

@@ -1,5 +1,5 @@
 // The preprocessor should enforce that all variables belonging here are declared Shared
-// There's no risk to spill other variables around since they are all private memeber of the automatic class
+// There's no risk to spill other variables around since they are all private members of the automatic class
 
 struct i2cScanResults {
     uint8_t address[128];

examples/SharedResourcesVariousLibraries/SharedVariables.h

@@ -1,5 +1,5 @@
 // The preprocessor should enforce that all variables belonging here are declared Shared
-// There's no risk to spill other variables around since they are all private memeber of the automatic class
+// There's no risk to spill other variables around since they are all private members of the automatic class
 
 struct i2cScanResults {
     uint8_t address[128];

examples/i2c_concurrent/SharedVariables.h

@@ -1,5 +1,5 @@
 // The preprocessor should enforce that all variables belonging here are declared Shared
-// There's no risk to spill other variables around since they are all private memeber of the automatic class
+// There's no risk to spill other variables around since they are all private members of the automatic class
 
 struct i2cScanResults {
     uint8_t address[128];

library.properties

@@ -2,8 +2,8 @@ name=Arduino_Threads
 version=0.0.1
 author=Arduino
 maintainer=Arduino <[email protected]>
-sentence=Easy multi-threading for your mbed based Arduino.
-paragraph=This library allows an easy access to the multi-threading capability inherent in all mbed based Arduino boards.
+sentence=Easy multi-threading for your Mbed OS-based Arduino.
+paragraph=This library allows an easy access to the multi-threading capability inherent in all Mbed OS-based Arduino boards.
 category=Other
 url=https://github.com/bcmi-labs/Arduino_Threads
 architectures=mbed