diff --git a/client/deps/id48/id48.h b/client/deps/id48/id48.h
index aa8b753b6..87f94a6cc 100644
--- a/client/deps/id48/id48.h
+++ b/client/deps/id48/id48.h
@@ -124,12 +124,14 @@ typedef struct _ID48LIB_GRN {
/// the frn and grn values and store in caller-provided
/// output parameters.
///
+/// key in 96 bits
+/// nonce in 56 bits
///
/// Note: In C++, each parameter would be a reference (not pointer).
///
void id48lib_generator(
- const ID48LIB_KEY *key_96bit,
- const ID48LIB_NONCE *nonce_56bit,
+ const ID48LIB_KEY *k,
+ const ID48LIB_NONCE *n,
ID48LIB_FRN *frn28_out,
ID48LIB_GRN *grn20_out
);