diff --git a/man2/getpid.2 b/man2/getpid.2
index 1927607ec..45d71a683 100644
--- a/man2/getpid.2
+++ b/man2/getpid.2
@@ -112,6 +112,11 @@ for discussion of a case where
 may return the wrong value even when invoking
 .BR clone (2)
 via the glibc wrapper function.
+
+Since glibc version 2.25, the PID cache is removed, and calls to
+.BR getpid ()
+will not be cached.
+
 .SH SEE ALSO
 .BR clone (2),
 .BR fork (2),