refactor: governance contract permissions

Author: PaulRBerg

docs/concepts/11-governance.mdx

@@ -17,7 +17,9 @@ Admin addresses that control the Comptroller are listed in the [Admin Addresses]
 
 <ComptrollersTable />
 
-## Lockup
+## Contract Permissions
+
+### Lockup
 
 Comptroller has the following permissions on each chain where Lockup is deployed:
 
@@ -28,7 +30,7 @@ Comptroller has the following permissions on each chain where Lockup is deployed
 | Set Native Token   | [`setNativeToken`](/reference/lockup/contracts/contract.SablierLockup#setnativetoken)     |
 | Set NFT Descriptor | [`setNFTDescriptor`](/reference/lockup/contracts/contract.SablierLockup#setnftdescriptor) |
 
-## Merkle Factory
+### Merkle Factory
 
 Comptroller has the following permission on each chain where the Merkle Factories are deployed: