diff --git a/node/src/chain_spec/gdev.rs b/node/src/chain_spec/gdev.rs
index 754ee00c3856923f88ea6bab38f68206903c89b7..63ba7addf32549f1faf2001972cb56b858eaf654 100644
--- a/node/src/chain_spec/gdev.rs
+++ b/node/src/chain_spec/gdev.rs
@@ -17,8 +17,8 @@
 use super::*;
 use common_runtime::entities::IdtyName;
 use gdev_runtime::{
-    AccountId, BalancesConfig, GenesisConfig, GenesisParameters, GrandpaConfig, IdentityConfig,
-    IdtyValue, MembershipConfig, ParametersConfig, StrongCertConfig, SudoConfig, SystemConfig,
+    AccountId, BalancesConfig, CertConfig, GenesisConfig, GenesisParameters, GrandpaConfig,
+    IdentityConfig, IdtyValue, MembershipConfig, ParametersConfig, SudoConfig, SystemConfig,
     UdAccountsStorageConfig, UniversalDividendConfig, WASM_BINARY,
 };
 use maplit::btreemap;
@@ -166,7 +166,7 @@ fn devnet_genesis(
                 })
                 .collect(),
         },
-        strong_cert: StrongCertConfig {
+        cert: CertConfig {
             apply_cert_period_at_genesis: false,
             certs_by_issuer: clique_wot(initial_identities.len(), cert_validity_period),
         },
diff --git a/node/src/chain_spec/gtest.rs b/node/src/chain_spec/gtest.rs
index cc7b7066582ea69f866dcdfaf563f7df66e0638b..79c21b10fa427faf6f7e36135c28d4e1578359e3 100644
--- a/node/src/chain_spec/gtest.rs
+++ b/node/src/chain_spec/gtest.rs
@@ -18,8 +18,8 @@ use super::*;
 use common_runtime::constants::*;
 use common_runtime::entities::IdtyName;
 use gtest_runtime::{
-    opaque::SessionKeys, AccountId, BabeConfig, BalancesConfig, GenesisConfig, IdentityConfig,
-    IdtyValue, ImOnlineId, MembershipConfig, SessionConfig, StrongCertConfig, SudoConfig,
+    opaque::SessionKeys, AccountId, BabeConfig, BalancesConfig, CertConfig, GenesisConfig,
+    IdentityConfig, IdtyValue, ImOnlineId, MembershipConfig, SessionConfig, SudoConfig,
     SystemConfig, UdAccountsStorageConfig, UniversalDividendConfig, WASM_BINARY,
 };
 use maplit::btreemap;
@@ -122,7 +122,7 @@ fn devnet_genesis(
                 })
                 .collect(),
         },
-        strong_cert: StrongCertConfig {
+        cert: CertConfig {
             apply_cert_period_at_genesis: false,
             certs_by_issuer: clique_wot(
                 initial_identities.len(),
@@ -324,7 +324,7 @@ fn testnet_genesis(
                 })
                 .collect(),
         },
-        strong_cert: StrongCertConfig {
+        cert: CertConfig {
             apply_cert_period_at_genesis: false,
             certs_by_issuer: clique_wot(
                 initial_identities.len(),
diff --git a/runtime/common/src/pallets_config.rs b/runtime/common/src/pallets_config.rs
index cd1ead8840598dcb297b0a53f0930d9d2980b260..322ac1723408c6b584309cdd0329eeb447959ccd 100644
--- a/runtime/common/src/pallets_config.rs
+++ b/runtime/common/src/pallets_config.rs
@@ -234,7 +234,7 @@ macro_rules! pallets_config {
 			type MinReceivedCertToBeAbleToIssueCert = MinReceivedCertToBeAbleToIssueCert;
             type OnNewcert = DuniterWot;
             type OnRemovedCert = DuniterWot;
-            type CertRenewablePeriod = StrongCertRenewablePeriod;
+            type CertRenewablePeriod = CertRenewablePeriod;
             type ValidityPeriod = ValidityPeriod;
         }
 
diff --git a/runtime/g1/src/lib.rs b/runtime/g1/src/lib.rs
index 7eb458aae5b8d52437840d6a0655a40158ff87ef..a01f9216ec711fb71190cacaa9c52651dd39bca7 100644
--- a/runtime/g1/src/lib.rs
+++ b/runtime/g1/src/lib.rs
@@ -194,7 +194,7 @@ construct_runtime!(
         DuniterWot: pallet_duniter_wot::<Instance1>::{Pallet} = 50,
         Identity: pallet_identity::{Pallet, Call, Config<T>, Storage, Event<T>} = 51,
         Membership: pallet_membership::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 52,
-        StrongCert: pallet_certification::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 53,
+        Cert: pallet_certification::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 53,
 
         // Multisig dispatch.
         Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 60,
diff --git a/runtime/g1/src/parameters.rs b/runtime/g1/src/parameters.rs
index 7dc6b2b5baf24245fb379aa00fee82f2eb434ffd..a3326f3487ce692578c274245c5fac6a75cc9384 100644
--- a/runtime/g1/src/parameters.rs
+++ b/runtime/g1/src/parameters.rs
@@ -121,7 +121,7 @@ pub const MIN_STRONG_CERT_FOR_STRONG_CERT: u32 = 5;
 parameter_types! {
     pub const CertPeriod: BlockNumber = 5 * DAYS;
     pub const MaxByIssuer: u8 = 100;
-    pub const StrongCertRenewablePeriod: BlockNumber = 6 * MONTHS;
+    pub const CertRenewablePeriod: BlockNumber = 6 * MONTHS;
     pub const ValidityPeriod: BlockNumber = 2 * YEARS;
 }
 
diff --git a/runtime/gdev/src/lib.rs b/runtime/gdev/src/lib.rs
index bfe577f5a34b00abe2bd9d5df90c03ee1aa282da..29a570f0410cb8cc5dae20c0841ead64076e1686 100644
--- a/runtime/gdev/src/lib.rs
+++ b/runtime/gdev/src/lib.rs
@@ -144,7 +144,7 @@ common_runtime::pallets_config! {
     // Dynamic parameters
     pub type CertPeriod = pallet_duniter_test_parameters::CertPeriod<Runtime>;
     pub type MaxByIssuer = pallet_duniter_test_parameters::CertMaxByIssuer<Runtime>;
-    pub type StrongCertRenewablePeriod = pallet_duniter_test_parameters::CertRenewablePeriod<Runtime>;
+    pub type CertRenewablePeriod = pallet_duniter_test_parameters::CertRenewablePeriod<Runtime>;
     pub type ValidityPeriod = pallet_duniter_test_parameters::CertValidityPeriod<Runtime>;
     pub type ConfirmPeriod = pallet_duniter_test_parameters::IdtyConfirmPeriod<Runtime>;
     pub type IdtyCreationPeriod = pallet_duniter_test_parameters::IdtyCreationPeriod<Runtime>;
@@ -205,7 +205,7 @@ construct_runtime!(
         DuniterWot: pallet_duniter_wot::<Instance1>::{Pallet} = 50,
         Identity: pallet_identity::{Pallet, Call, Config<T>, Storage, Event<T>} = 51,
         Membership: pallet_membership::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 52,
-        StrongCert: pallet_certification::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 53,
+        Cert: pallet_certification::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 53,
 
         // Multisig dispatch.
         Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 60,
diff --git a/runtime/gtest/src/lib.rs b/runtime/gtest/src/lib.rs
index 80f7f0a4b3925ad3ce6b65664534a7490be9a711..db641384d70cd3bbd14e0f4feefbbaf2e836ed5d 100644
--- a/runtime/gtest/src/lib.rs
+++ b/runtime/gtest/src/lib.rs
@@ -194,7 +194,7 @@ construct_runtime!(
         DuniterWot: pallet_duniter_wot::<Instance1>::{Pallet} = 50,
         Identity: pallet_identity::{Pallet, Call, Config<T>, Storage, Event<T>} = 51,
         Membership: pallet_membership::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 52,
-        StrongCert: pallet_certification::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 53,
+        Cert: pallet_certification::<Instance1>::{Pallet, Call, Config<T>, Storage, Event<T>} = 53,
 
         // Multisig dispatch.
         Multisig: pallet_multisig::{Pallet, Call, Storage, Event<T>} = 60,
diff --git a/runtime/gtest/src/parameters.rs b/runtime/gtest/src/parameters.rs
index eae9849b8cbe394d887a6ab7315ed2c44e20354b..b72844fcad881ffd4e032a6a884d57ef8ad0b7ed 100644
--- a/runtime/gtest/src/parameters.rs
+++ b/runtime/gtest/src/parameters.rs
@@ -119,7 +119,7 @@ pub const MIN_STRONG_CERT_FOR_STRONG_CERT: u32 = 5;
 parameter_types! {
     pub const CertPeriod: BlockNumber = DAYS;
     pub const MaxByIssuer: u8 = 100;
-    pub const StrongCertRenewablePeriod: BlockNumber = 12 * DAYS;
+    pub const CertRenewablePeriod: BlockNumber = 12 * DAYS;
     pub const ValidityPeriod: BlockNumber = 146 * DAYS;
 }