Fix description of coprime parameter to random_prime() [ci skip]

Found during a review by BSI

1 files changed, 1 insertions, 1 deletions

diff --git a/src/lib/math/numbertheory/numthry.h b/src/lib/math/numbertheory/numthry.h
index 536dd069c..e788caec1 100644
--- a/src/lib/math/numbertheory/numthry.h
+++ b/src/lib/math/numbertheory/numthry.h
@@ -182,7 +182,7 @@ inline bool verify_prime(const BigInt& n, RandomNumberGenerator& rng)
 * Randomly generate a prime
 * @param rng a random number generator
 * @param bits how large the resulting prime should be in bits
-* @param coprime a positive integer the result should be coprime to
+* @param coprime a positive integer that (prime - 1) should be coprime to
 * @param equiv a non-negative number that the result should be
                equivalent to modulo equiv_mod
 * @param equiv_mod the modulus equiv should be checked against