diff --git a/src/bls12_381.c b/src/bls12_381.c
index 5ca4842..3f48a0d 100644
--- a/src/bls12_381.c
+++ b/src/bls12_381.c
@@ -101,7 +101,7 @@ void fr_from_scalar(fr_t *out, const scalar_t *a) {
 /**
  * Create a field element from an array of four 64-bit unsigned integers.
  *
- * @param out  The field element equivalent of @p n
+ * @param out  The field element equivalent of @p vals
  * @param vals The array of 64-bit integers to be converted, little-endian ordering of the 64-bit words
  */
 void fr_from_uint64s(fr_t *out, const uint64_t vals[4]) {
@@ -125,7 +125,7 @@ void fr_from_uint64(fr_t *out, uint64_t n) {
  * Convert a field element to an array of four 64-bit unsigned integers.
  *
  * @param out  Array for returned values, little-endian ordering of the 64-bit words
- * @param vals The field element equivalent of @p n
+ * @param fr   The field element to be converted
  */
 void fr_to_uint64s(uint64_t out[4], const fr_t *fr) {
     blst_uint64_from_fr(out, fr);
diff --git a/src/bls12_381.h b/src/bls12_381.h
index 9649c97..ed6e44c 100644
--- a/src/bls12_381.h
+++ b/src/bls12_381.h
@@ -102,9 +102,9 @@ bool fr_is_zero(const fr_t *p);
 bool fr_is_one(const fr_t *p);
 bool fr_is_null(const fr_t *p);
 void fr_from_scalar(fr_t *out, const scalar_t *a);
-void fr_from_uint64s(fr_t *out, const uint64_t *vals);
+void fr_from_uint64s(fr_t *out, const uint64_t vals[4]);
 void fr_from_uint64(fr_t *out, uint64_t n);
-void fr_to_uint64s(uint64_t out[4], const fr_t* fr);
+void fr_to_uint64s(uint64_t out[4], const fr_t *fr);
 bool fr_equal(const fr_t *aa, const fr_t *bb);
 void fr_negate(fr_t *out, const fr_t *in);
 void fr_add(fr_t *out, const fr_t *a, const fr_t *b);