fix links

pages/docs/device-app/develop/tools.mdx

@@ -33,7 +33,7 @@ high-level graphical interactions. It is widly used to write functional tests co
 Ledgered is a Python package which goal is to be a collection of small, autonomous utilitaries and libraries.
 
 For now, it only contains a tool (`ledger-manifest`) allowing to check `ledger_app.toml` manifest files (which are a
-[requirement](../deliver/requirements/development#manifest) for an application to be deployed).
+[requirement](./requirements/development#manifest) for an application to be deployed).
 
 <Callout type="info">
     Sources and documentation can be found [in the Ledgered repository](https://github.com/ledgerhq/ledgered).

pages/docs/exchange/integration/flow.mdx

@@ -4,7 +4,7 @@ import 'react-medium-image-zoom/dist/styles.css'
 
 # Detailled Technical Flows
 
-For high-level flows, refer to the [flow-breakdown](../flow/flow-breakdown) section.
+For high-level flows, refer to the [flow-breakdown](../flow) section.
 
 ## Swap
 

pages/docs/exchange/integration/providers-test-and-submit.mdx

@@ -29,14 +29,14 @@ After testing your LiveApp and making sure it works with the Exchange App, you s
 <Steps>
 ### Your API
 
-Adapt your API to interact with our Backend, with some specifities. Details in [Backend](providers-endpoints) section.
+Adapt your API to interact with our Backend, with some specifities. Details in [Backend](providers-backend) section.
 
 ### Your LiveApp's Manifest
 
 It's a bit more complex than the regular LiveApp's Manifest of the Discover section. Details in [LiveApp](providers-liveapp) section.
 
 ### Your Public key
 
-Make sure your private key is secured, and send us your public key. Details in [Backend](providers-endpoints) section.
+Make sure your private key is secured, and send us your public key. Details in [Backend](providers-backend) section.
 
 </Steps>