Update change logs for version 0.4.0.

BreakingChanges.md

@@ -4,5 +4,5 @@
 
 ## Version 0.4.0:
 - Upgraded service version to 2018-03-28. Upgraded to latest protocol layer's models.
-- Optimize error reporting and minimize panics. Removed most panics from the library. Several functions now return an error.
-- Removed 2017 service versions.
+- Optimized error reporting and minimized panics. Removed most panics from the library. Several functions now return an error.
+- Removed 2017 service version.

ChangeLog.md

@@ -4,11 +4,11 @@
 
 ## Version 0.4.0:
 - [Breaking] Upgraded service version to 2018-03-28. Upgraded to latest protocol layer's models.
-- [Breaking] Optimize error reporting and minimize panics. Removed most panics from the library. Several functions now return an error.
-- [Breaking] Removed 2017 service versions.
+- [Breaking] Optimized error reporting and minimized panics. Removed most panics from the library. Several functions now return an error.
+- [Breaking] Removed 2017 service version.
 - Added support for module.
 - Added forced retries and optional retry logging to retry reader.
 - Fixed the service SAS to support specifying query params to override response headers.
 - Fixed an issue that specify type of constant FileMaxSizeInBytes to support 32-bit build.
 - Optimized `SASQueryParameters` to support time format YYYY-MM-DDThh:mmZ and YYYY-MM-DD for signedstart and signedexpiry.
-- Optimized the mmf related logics which switch to x/sys due to deprecation of syscall.
+- Optimized the mmf related code which switched to x/sys due to deprecation of syscall.