diff --git a/lib/math/prime_numbers.c b/lib/math/prime_numbers.c
index d3b64b10da1c..9a17ee9af93a 100644
--- a/lib/math/prime_numbers.c
+++ b/lib/math/prime_numbers.c
@@ -311,4 +311,5 @@ module_exit(primes_exit);
 module_param_named(selftest, selftest_max, ulong, 0400);
 
 MODULE_AUTHOR("Intel Corporation");
+MODULE_DESCRIPTION("Prime number library");
 MODULE_LICENSE("GPL");
diff --git a/lib/math/rational-test.c b/lib/math/rational-test.c
index 01611ddff420..47486a95f088 100644
--- a/lib/math/rational-test.c
+++ b/lib/math/rational-test.c
@@ -53,4 +53,5 @@ static struct kunit_suite rational_test_suite = {
 
 kunit_test_suites(&rational_test_suite);
 
+MODULE_DESCRIPTION("Rational fractions unit test");
 MODULE_LICENSE("GPL v2");