Fixed badge links

Author: wentelteefje

README.md

@@ -15,19 +15,19 @@ share information in a secure and scalable way. The Polkadot SDK comprises three
 software:
 
 ## [Polkadot](./polkadot/)
-[![StackExchange](https://img.shields.io/badge/Polkadot_Forum-e6007a?logo=polkadot)](https://substrate.stackexchange.com/) [![Polkadot-license](https://img.shields.io/badge/License-GPL3-blue)](#LICENSE)
+[![PolkadotForum](https://img.shields.io/badge/Polkadot_Forum-e6007a?logo=polkadot)](https://forum.polkadot.network/) [![Polkadot-license](https://img.shields.io/badge/License-GPL3-blue)](./polkadot/LICENSE)
 
 Implementation of a https://polkadot.network node in Rust based on the Substrate framework. This 
 directory contains runtimes for the Polkadot, Kusama, and Westend networks. 
 
 ## [Substrate](./substrate/)
- [![SubstrateRustDocs](https://img.shields.io/badge/Rust_Docs-Substrate-24CC85?logo=rust)](https://paritytech.github.io/substrate/master/substrate/index.html) [![Substrate-license](https://img.shields.io/badge/License-GPL3%2FApache2.0-blue)](#LICENSE)
+ [![SubstrateRustDocs](https://img.shields.io/badge/Rust_Docs-Substrate-24CC85?logo=rust)](https://paritytech.github.io/substrate/master/substrate/index.html) [![Substrate-license](https://img.shields.io/badge/License-GPL3%2FApache2.0-blue)](./substrate/README.md#LICENSE)
 
 Substrate is the primary blockchain SDK used by developers to create the parachains that make up 
 the Polkadot network. Additionally, it allows for the development of self-sovereign blockchains that operate completely independently of Polkadot.
 
 ## [Cumulus](./cumulus/)
-[![CumulusRustDocs](https://img.shields.io/badge/Rust_Docs-Cumulus-222222?logo=rust)](https://paritytech.github.io/cumulus/cumulus_client_collator/index.html) [![Cumulus-license](https://img.shields.io/badge/License-GPL3-blue)](#LICENSE)
+[![CumulusRustDocs](https://img.shields.io/badge/Rust_Docs-Cumulus-222222?logo=rust)](https://paritytech.github.io/cumulus/cumulus_client_collator/index.html) [![Cumulus-license](https://img.shields.io/badge/License-GPL3-blue)](./cumulus/LICENSE)
 
 
 Cumulus is a set of tools for writing Substrate-based Polkadot parachains.