DOC: changelog

CHANGELOG.md

 # `fsl_add_module` changelog
 
 
+## 0.3.2 (Wednesday 1st September 2021)
+
+ - Changed the default manifest URL to
+   http://fsl.fmrib.ox.ac.uk/fslcourse/downloads/manifest.json, which
+   describes the FSL course data sets.
+ - Fixed a typo in a UI message.
+
+
 ## 0.3.1 (Tuesday 25th May 2021)
 
  - Fixed an issue with building the `fsl_add_module` package.