diff --git a/appendices/0003_RFC/schema.graphqls b/appendices/0003_RFC/schema.graphql
similarity index 98%
rename from appendices/0003_RFC/schema.graphqls
rename to appendices/0003_RFC/schema.graphql
index dd6f856367edb888cde10e92aa7b209f154211d9..06d8dc410ff4f43275abb4504d8d537804961c3b 100644
--- a/appendices/0003_RFC/schema.graphqls
+++ b/appendices/0003_RFC/schema.graphql
@@ -357,7 +357,9 @@ type Block {
   number: Int!
   powMin: Int!
   time: String!
-  mediantime: String!
+  medianTime: Int! @deprecated(reason: "Use `blockchainTime`.")
+  blockchainTime: Int!
+  humanTime: Int!
   membersCount: Int!
   monetaryMass: Int!
   unitBase: Int!
diff --git a/rfc/0003 RFC GraphQL API for Duniter Clients.md b/rfc/0003 RFC GraphQL API for Duniter Clients.md
index 759305aa711d53c0803ee1e2abefe982aeeea458..a7b72dc80909d62d2f45cdcfa01f29c02f89c63c 100644
--- a/rfc/0003 RFC GraphQL API for Duniter Clients.md	
+++ b/rfc/0003 RFC GraphQL API for Duniter Clients.md	
@@ -374,7 +374,7 @@ So the websoket channel path is automatically deducted from the optionnal path:
 
 ## API GraphQL Schema
 
-See [schema.gql](../appendices/0003_RFC/schema.graphqls)
+See [schema.gql](../appendices/0003_RFC/schema.graphql)
 
 ---
 End of the document.