Update overview.adoc (#1368)

Author: natan-granit

components/Starknet/modules/staking/pages/overview.adoc

@@ -91,11 +91,12 @@ The proposed economic parameters are:
 
 These values are our proposed starting points for this version of the protocol. As part of the rationale behind this version, they are subject to change and may be adjusted to better suit the protocol’s needs under the proper governance procedures.
 
-== Sepolia Testnet Parameters
+== Contract addresses
+=== Sepolia
 
 Below are the relevant contract addresses and parameters for interacting with the staking protocol on Sepolia testnet:
 
-=== Addresses
+==== Addresses
 
 * **L1:**
   - Reward supplier address: 0xE58d25681B9d290D60e4d7f379a05d5BFD973fFB
@@ -107,7 +108,7 @@ Below are the relevant contract addresses and parameters for interacting with th
   - Minting curve address: 0x0351c67dc2d4653cbe457be59a035f80ff1e6f6939118dad1b7a94317a51a454
   - Reward supplier address: 0x02ebbebb8ceb2e07f30a5088f5849afd4f908f04f3f9c97c694e5d83d2a7cc61
 
-=== Economic Parameters
+==== Sepolia testing Economic Parameters
 
 * **Minimum STRK for Staking:** 1 STRK
 * **Withdrawal Security Lockup:** 5 minutes