diff --git a/Documentation/networking/ip-sysctl.rst b/Documentation/networking/ip-sysctl.rst
index e7ec9026e5db..6134ff4561e8 100644
--- a/Documentation/networking/ip-sysctl.rst
+++ b/Documentation/networking/ip-sysctl.rst
@@ -2502,7 +2502,9 @@ use_tempaddr - INTEGER
 		* -1 (for point-to-point devices and loopback devices)
 
 temp_valid_lft - INTEGER
-	valid lifetime (in seconds) for temporary addresses.
+	valid lifetime (in seconds) for temporary addresses. If less than the
+	minimum required lifetime (typically 5 seconds), temporary addresses
+	will not be created.
 
 	Default: 172800 (2 days)