Display warning for "latest" version of the docs only

docs/conf.py

@@ -84,7 +84,7 @@ suppress_warnings = ['autosectionlabel.*']
 
 # https://github.com/humitos/sphinx-version-warning-example/blob/master/docs/conf.py
 versionwarning_messages = {
-    'v0.8-beta1': '''This is the documentation for current stable documentation.
-                     For the latest documentation based on the unrleased main branch see
-                     https://docs.stackspin.net/en/latest/index.html.'''
+    'latest': ('This is the documentation for the main development branch. '
+               'For the documentation of the first beta of the 0.8 release see '
+               'https://docs.stackspin.net/en/v0.8beta1/')
 }