diff --git a/common/eth2_network_config/built_in_network_configs/prater/config.yaml b/common/eth2_network_config/built_in_network_configs/prater/config.yaml
index d82a2c09b..1928aeb30 100644
--- a/common/eth2_network_config/built_in_network_configs/prater/config.yaml
+++ b/common/eth2_network_config/built_in_network_configs/prater/config.yaml
@@ -1,16 +1,19 @@
 # Prater config
 
 # Extends the mainnet preset
-CONFIG_NAME: 'prater'
 PRESET_BASE: 'mainnet'
 
+CONFIG_NAME: 'prater'
+
 # Transition
 # ---------------------------------------------------------------
+# Expected August 10, 2022
 TERMINAL_TOTAL_DIFFICULTY: 10790000
 # By default, don't use these params
 TERMINAL_BLOCK_HASH: 0x0000000000000000000000000000000000000000000000000000000000000000
 TERMINAL_BLOCK_HASH_ACTIVATION_EPOCH: 18446744073709551615
 
+
 # Genesis
 # ---------------------------------------------------------------
 # `2**14` (= 16,384)
@@ -32,19 +35,15 @@ GENESIS_DELAY: 1919188
 # Altair
 ALTAIR_FORK_VERSION: 0x01001020
 ALTAIR_FORK_EPOCH: 36660
-# Merge
+# Bellatrix
 BELLATRIX_FORK_VERSION: 0x02001020
 BELLATRIX_FORK_EPOCH: 112260
 # Capella
 CAPELLA_FORK_VERSION: 0x03001020
 CAPELLA_FORK_EPOCH: 162304
-# Sharding
-SHARDING_FORK_VERSION: 0x04001020
-SHARDING_FORK_EPOCH: 18446744073709551615
-
-# TBD, 2**32 is a placeholder. Merge transition approach is in active R&D.
-TRANSITION_TOTAL_DIFFICULTY: 4294967296
-
+# DENEB
+DENEB_FORK_VERSION: 0x04001020
+DENEB_FORK_EPOCH: 231680
 
 # Time parameters
 # ---------------------------------------------------------------
@@ -70,11 +69,10 @@ INACTIVITY_SCORE_RECOVERY_RATE: 16
 EJECTION_BALANCE: 16000000000
 # 2**2 (= 4)
 MIN_PER_EPOCH_CHURN_LIMIT: 4
-# 2**3 (= 8)
-MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: 8
 # 2**16 (= 65,536)
 CHURN_LIMIT_QUOTIENT: 65536
-
+# [New in Deneb:EIP7514] 2**3 (= 8)
+MAX_PER_EPOCH_ACTIVATION_CHURN_LIMIT: 8
 
 # Fork choice
 # ---------------------------------------------------------------
@@ -89,16 +87,41 @@ DEPOSIT_NETWORK_ID: 5
 # Prater test deposit contract on Goerli Testnet
 DEPOSIT_CONTRACT_ADDRESS: 0xff50ed3d0ec03aC01D4C79aAd74928BFF48a7b2b
 
-# Network
+# Networking
 # ---------------------------------------------------------------
-SUBNETS_PER_NODE: 2
+# `10 * 2**20` (= 10485760, 10 MiB)
 GOSSIP_MAX_SIZE: 10485760
+# `2**10` (= 1024)
+MAX_REQUEST_BLOCKS: 1024
+# `2**8` (= 256)
+EPOCHS_PER_SUBNET_SUBSCRIPTION: 256
+# `MIN_VALIDATOR_WITHDRAWABILITY_DELAY + CHURN_LIMIT_QUOTIENT // 2` (= 33024, ~5 months)
 MIN_EPOCHS_FOR_BLOCK_REQUESTS: 33024
+# `10 * 2**20` (=10485760, 10 MiB)
 MAX_CHUNK_SIZE: 10485760
+# 5s
 TTFB_TIMEOUT: 5
+# 10s
 RESP_TIMEOUT: 10
+ATTESTATION_PROPAGATION_SLOT_RANGE: 32
+# 500ms
+MAXIMUM_GOSSIP_CLOCK_DISPARITY: 500
 MESSAGE_DOMAIN_INVALID_SNAPPY: 0x00000000
 MESSAGE_DOMAIN_VALID_SNAPPY: 0x01000000
+# 2 subnets per node
+SUBNETS_PER_NODE: 2
+# 2**8 (= 64)
 ATTESTATION_SUBNET_COUNT: 64
 ATTESTATION_SUBNET_EXTRA_BITS: 0
+# ceillog2(ATTESTATION_SUBNET_COUNT) + ATTESTATION_SUBNET_EXTRA_BITS
 ATTESTATION_SUBNET_PREFIX_BITS: 6
+
+# Deneb
+# `2**7` (=128)
+MAX_REQUEST_BLOCKS_DENEB: 128
+# MAX_REQUEST_BLOCKS_DENEB * MAX_BLOBS_PER_BLOCK
+MAX_REQUEST_BLOB_SIDECARS: 768
+# `2**12` (= 4096 epochs, ~18 days)
+MIN_EPOCHS_FOR_BLOB_SIDECARS_REQUESTS: 4096
+# `6`
+BLOB_SIDECAR_SUBNET_COUNT: 6