minor addition to release instructions

doc/releasing.md

 # Preparing A Release
+Please familiarise yourself with this entire procedure before starting.
 
-Procedure:
+ 1. [Update Documentation](#update-documentation)
  1. [Create a tag](#create-a-tag)
  1. [Build A Release Tarball](#build-a-release-tarball)
  1. [upload Source Tarball](#upload-source-tarball)
  1. [Open SCCB Request](#open-sccb-request)
  1. [Deployment](#deployment)
 
+## Update Documentation
+Along with any changes describing new functionality, the documentation should
+be updated to show the version number (see next step).  This should be done
+first, so that the documentation matches the release.  Specifically, edit `conf.py`
+[here](https://git.ligo.org/lscsoft/bayeswave/blob/master/doc/conf.py#L25).
+
+Future releases may automate this step.
+
 ## Create a tag
 Tag the state of the repository you'd like to release: [create new tag in
 gitlab](https://git.ligo.org/lscsoft/bayeswave/-/tags/new). See [previous
@@ -40,7 +49,7 @@ On success, this should produce a compressed tarball `bayeswave-X.Y.Z.tar.xz`,
 where `X.Y.Z` is your tag version.
 
 ## Upload Source Tarball
-Acquire the upload script `lscsrc_new_file.sh` from Adam Mercer.  If using
+Acquire the upload script `lscsrc_new_file.sh` from UWM.  If using
 linux (rather than OSX), make sure you change the call to `gmktemp` to `mktemp`:
 ```
 #SKTFILE=`gmktemp --dry-run`