diff --git a/src/crypto/CHIPCryptoPAL.h b/src/crypto/CHIPCryptoPAL.h
index b142f8bc899659..4b481204c81e8f 100644
--- a/src/crypto/CHIPCryptoPAL.h
+++ b/src/crypto/CHIPCryptoPAL.h
@@ -36,6 +36,9 @@
 namespace chip {
 namespace Crypto {
 
+// TODO: Consider renaming these values to be closer to definisions in the spec:
+// CHIP_CRYPTO_GROUP_SIZE_BYTES
+// CHIP_CRYPTO_PUBLIC_KEY_SIZE_BYTES
 const size_t kP256_FE_Length                  = 32;
 const size_t kP256_ECDSA_Signature_Length_Raw = (2 * kP256_FE_Length);
 const size_t kP256_Point_Length               = (2 * kP256_FE_Length + 1);