Add missing links

documentation/README.md

@@ -22,17 +22,20 @@ database.
 ### Propose a new dataset
 
 Have an idea for a dataset that should be integrated into IYP? Feel free to propose it
-by opening a new [discussion](). You should describe the dataset, why it is potentially
-useful, and, if possible, provide some initial idea for modeling the data.
+by opening a new
+[discussion](https://github.com/InternetHealthReport/internet-yellow-pages/discussions).
+You should describe the dataset, why it is potentially useful, and, if possible, provide
+some initial idea for modeling the data.
 
 The discussion is used to decide if we want to integrate the dataset and how to model
 it. So feel free to propose a dataset even if you have no concrete model in mind.
 
 ### Import a new dataset
 
 If it was decided that the dataset should be integrated into IYP, we will convert the
-discussion into a [GitHub issue](). At this stage it is open to anyone who wants to
-implement a crawler for the dataset.
+discussion into a [GitHub
+issue](https://github.com/InternetHealthReport/internet-yellow-pages/issues). At this
+stage it is open to anyone who wants to implement a crawler for the dataset.
 
 For a detailed description on how to write your first crawler and contribute to IYP take
 a look at the [IHR contributing guidelines](../CONTRIBUTING.md) and the [crawler