diff --git a/dev-python/tldextract/tldextract-2.2.1-r1.ebuild b/dev-python/tldextract/tldextract-2.2.1-r1.ebuild
index 59dcb950f..d1a8b5889 100644
--- a/dev-python/tldextract/tldextract-2.2.1-r1.ebuild
+++ b/dev-python/tldextract/tldextract-2.2.1-r1.ebuild
@@ -21,6 +21,7 @@ RDEPEND="${PYTHON_DEPS}
 	dev-python/requests-file[${PYTHON_USEDEP}]"
 
 # https://github.com/john-kurkowski/tldextract#note-about-caching
+# https://bugs.gentoo.org/698202
 PATCHES=( "${FILESDIR}/${P}_change_tldextract_cache_defaults.patch" )
 
 pkg_postinst() {