Modif git_commit comment
@@ -37,7 +37,7 @@ url_docs = https://docs.gammapy.org/dev/
build_notebooks = True
#
# Version of notebooks used in Binder
-# Must be a git branch, tag or commit of the Gammapy Github repo
+# Must be a tag release in the gammapy-webpage Github repo
git_commit = master
#
#
