oops: document OIDCStateMaxNumberOfCookies for release 2.3.8
# When not defined, no cookies are stripped.
#OIDCStripCookies [<cookie-name>]+
+# Specify the maximum number of state cookies i.e. the maximum number of parallel outstanding
+# authentication requests. See: https://github.com/zmartzone/mod_auth_openidc/issues/331
+# Setting this to 0 means unlimited, until the browser or server gives up which is the
+# behavior of mod_auth_openidc < 2.3.8, which did not have this configuration option.
+# When not defined, the default is 7.
+#OIDCStateMaxNumberOfCookies <number>
+
########################################################################################
#
# Session Settings (only relevant in an OpenID Connect Relying Party setup)
