Updated Creating a release (markdown)

Creating-a-release.md

@@ -12,7 +12,8 @@
 - Tag the release, e.g. ```git tag -am "Version 0.15.0" v0.15.0```
 - Push the tag: ```git push origin [tagname]```
 
-- The CI generates the installers. Download from ci.nim-lang.org
+- Run ``koch winrelease`` 
+- Upload the produced .zips.
 
 - Merge devel into master
 - Update csources via ``koch pushcsources``
@@ -109,5 +110,4 @@ ask "Ensure the version was updated in 3 files"
 
 ./koch csource -d:release
 ./koch xz -d:release
-./koch nsis
 ```