Fix changelog typos

Author: alexrudd2

CHANGELOG.rst

@@ -91,7 +91,7 @@ version 2.5.0rc1
 * Fix and enhancements to Tornado clients (seril and tcp)
 * Fix and enhancements to Asyncio client and server
 * Update Install instructions
-* Synchronous client retry on empty and error enhancments
+* Synchronous client retry on empty and error enhancements
 * Add new modbus state `RETRYING`
 * Support runtime response manipulations for Servers
 * Bug fixes with logging module in servers
@@ -147,7 +147,7 @@ Version 2.2.0
 * Fix read timeout calculation in ModbusTCP.
 * Fix SQLDbcontext always returning InvalidAddress error.
 * Fix SQLDbcontext update failure
-* Fix Binary payload example for endianess.
+* Fix Binary payload example for endianness.
 * Fix BinaryPayloadDecoder.to_coils and BinaryPayloadBuilder.fromCoils methods.
 * Fix tornado async serial client `TypeError` while processing incoming packet.
 * Fix erroneous CRC handling in Modbus RTU framer.
@@ -230,7 +230,7 @@ Version 1.5.1
 
 Version 1.5.0
 ------------------------------------------------------------
-* Improve transaction speeds for sync clients (RTU/ASCII), now retry on empty happens only when retry_on_empty kwarg is passed to client during intialization
+* Improve transaction speeds for sync clients (RTU/ASCII), now retry on empty happens only when retry_on_empty kwarg is passed to client during initialization
 
 `client = Client(..., retry_on_empty=True)`
 
@@ -259,20 +259,20 @@ Version 1.4.0
 * Payload builder and decoder can now deal with the wordorder as well of 32/64 bit data.
 * Support Database slave contexts (SqlStore and RedisStore)
 * Custom handlers could be passed to Modbus TCP servers
-* Asynchronous Server could now be stopped when running on a seperate thread (StopServer)
+* Asynchronous Server could now be stopped when running on a separate thread (StopServer)
 * Signal handlers on Asynchronous servers are now handled based on current thread
 * Registers in Database datastore could now be read from remote clients
 * Fix examples in contrib (message_parser.py/message_generator.py/remote_server_context)
 * Add new example for SqlStore and RedisStore (db store slave context)
 * Fix minor comaptibility issues with utilities.
 * Update test requirements
 * Update/Add new unit tests
-* Move twisted requirements to extra so that it is not installed by default on pymodbus installtion
+* Move twisted requirements to extra so that it is not installed by default on pymodbus installation
 
 Version 1.3.2
 ------------------------------------------------------------
-* ModbusSerialServer could now be stopped when running on a seperate thread.
-* Fix issue with server and client where in the frame buffer had values from previous unsuccesful transaction
+* ModbusSerialServer could now be stopped when running on a separate thread.
+* Fix issue with server and client where in the frame buffer had values from previous unsuccessful transaction
 * Fix response length calculation for ModbusASCII protocol
 * Fix response length calculation ReportSlaveIdResponse, DiagnosticStatusResponse
 * Fix never ending transaction case when response is received without header and CRC
@@ -306,7 +306,7 @@ Version 1.3.0.rc1
 * Added ability to ignore missing slaves
 * Added ability to revert to ZeroMode
 * Passed a number of extra options through the stack
-* Fixed documenation and added a number of examples
+* Fixed documentation and added a number of examples
 
 Version 1.2.0
 ------------------------------------------------------------