Merge remote-tracking branch 'origin/master'

Former-commit-id: 86e647b

Author: wardsimon

README.md

@@ -14,9 +14,9 @@ Keep up to date on announcements and more by following [@spinw4](https://twitter
 * can be also accessed from the browser: https://spinw.github.io/spinwdoc/
 
 # Build Status
-We are currently testing on Centos 7.3, macOS and Windows using MATLAB R2018b. It should be noted that MATLAB symbolic calculation changed at R2018a and as such results may be different.
+We are currently testing on Centos 7.3, macOS and Windows using MATLAB R2018b. It should be noted that MATLAB symbolic calculation changed post R2018a and as such symbolic results may be differ with a relative tolerance of < 0.03 %.
 
-Testing can be pulled from the [testing](https://www.github.com/spinw/testing) repository and run with the `runspinwFunctionalityTests` command.
+Testing can be pulled from the [testing](https://www.github.com/spinw/testing) repository and run with the `runspinwFunctionalityTests` command from the `Testing` directory.
 ### MacOS
 ## SpinW
 ### Linux - CentOS 7.3