diff --git a/packages/contracts/CHANGELOG.md b/packages/contracts/CHANGELOG.md
index 20203657..0b48317b 100644
--- a/packages/contracts/CHANGELOG.md
+++ b/packages/contracts/CHANGELOG.md
@@ -10,6 +10,8 @@ and this project adheres to the [Aragon OSx Plugin Versioning Convention](https:
 ### Added
 
 - Copied files from [aragon/osx commit 1130df](https://github.com/aragon/osx/commit/1130dfce94fd294c4341e91a8f3faccc54cf43b7)
+- `hasSucceeded`, `createProposal`, `customProposalParamsABI`, `canExecute` and `execute` functions implementing to `IProposal` interface.
+- `initialize` function also receives `TargetConfig` with the optional target config.
 
 ### Changed
 
diff --git a/packages/contracts/src/build-metadata.json b/packages/contracts/src/build-metadata.json
index 5c53a36b..4e8d35d1 100644
--- a/packages/contracts/src/build-metadata.json
+++ b/packages/contracts/src/build-metadata.json
@@ -6,29 +6,29 @@
       "description": "The information required for the installation.",
       "inputs": [
         {
-          "internalType": "address",
           "name": "admin",
           "type": "address",
+          "internalType": "address",
           "description": "The address of the admin account receiving the `EXECUTE_PERMISSION_ID` permission."
         },
         {
           "components": [
             {
-              "internalType": "address",
               "name": "target",
               "type": "address",
+              "internalType": "address",
               "description": "The target contract to which actions will be forwarded to for execution."
             },
             {
-              "internalType": "uint8",
               "name": "operation",
               "type": "uint8",
+              "internalType": "uint8",
               "description": "The operation type(either `call` or `delegatecall`) that will be used for execution forwarding."
             }
           ],
-          "internalType": "struct TokenVoting.TargetConfig",
           "name": "TargetConfig",
           "type": "tuple",
+          "internalType": "struct TokenVoting.TargetConfig",
           "description": "The initial target config"
         }
       ]