diff --git a/src/modinv32_impl.h b/src/modinv32_impl.h
index 643750560e..8e400b697b 100644
--- a/src/modinv32_impl.h
+++ b/src/modinv32_impl.h
@@ -232,7 +232,7 @@ static int32_t secp256k1_modinv32_divsteps_30(int32_t zeta, uint32_t f0, uint32_
     return zeta;
 }
 
-/* inv256[i] = -(2*i+1)^-1 (mod 256) */
+/* secp256k1_modinv32_inv256[i] = -(2*i+1)^-1 (mod 256) */
 static const uint8_t secp256k1_modinv32_inv256[128] = {
     0xFF, 0x55, 0x33, 0x49, 0xC7, 0x5D, 0x3B, 0x11, 0x0F, 0xE5, 0xC3, 0x59,
     0xD7, 0xED, 0xCB, 0x21, 0x1F, 0x75, 0x53, 0x69, 0xE7, 0x7D, 0x5B, 0x31,