diff --git a/requirements.txt b/requirements.txt
index 35cf7c3bfc6..a0df3ffe235 100644
--- a/requirements.txt
+++ b/requirements.txt
@@ -1,3 +1,5 @@
+# The officially supported versions of the following packages are their
+# python3-* equivalent distributed in Ubuntu 22.04 and Debian 11
 Babel==2.9.1  # min version = 2.6.0 (Focal with security backports)
 chardet==3.0.4
 cryptography==3.4.8