Link to little-and-often (#98)

Author: andyblundell

principles.md

@@ -58,7 +58,7 @@ The following practices support the principle of building quality in.
 
 **Three amigos analysis and elaboration** to ensure requirements are fully understood at the point the work will be done.
 
-**Deliver incrementally.** Establish build-measure-learn loops to keep the system simple and to ensure it meets evolving user needs.
+**[Deliver incrementally.](patterns/little-and-often.md)** Establish build-measure-learn loops to keep the system simple and to ensure it meets evolving user needs.
 
 **Pair programming**. Avoid quality issues by combining the skills and experience of two developers instead of one. Take advantage of navigator and driver roles. Also consider cross-discipline (e.g. dev-test) pairing.