fix link

Signed-off-by: Louis Mandel <[email protected]>

Author: mandel

docs/README.md

@@ -23,7 +23,7 @@ PDL provides the following features:
 
 The PDL interpreter takes a PDL program as input and generates data by executing its instructions (calling out to models, code, etc...).
 
-See below for a quick reference, followed by [installation notes](#interpreter_installation) and an [overview](#overview) of the language. A more detailed description of the language features can be found in this [tutorial](https://ibm.github.io/prompt-declaration-language/tutorial).
+See below for a quick reference, followed by [installation notes](#interpreter-installation) and an [overview](#overview) of the language. A more detailed description of the language features can be found in this [tutorial](https://ibm.github.io/prompt-declaration-language/tutorial).
 
 
 ## Quick Reference