diff --git a/README.md b/README.md
index 85755c7..cff830b 100644
--- a/README.md
+++ b/README.md
@@ -77,3 +77,7 @@ Relevant statistical functions are all directly available from the top-level *yl
 	* *bayesfactor_afbf*: Adjusted fractional Bayes factor for a hypothesis on parameters from regression
 
 Each function is documented in the respective docstring within the source code. Examples can be found in the unit tests in the *tests* directory.
+
+## Warning
+
+No warranty is made as to the correctness of any function in this library. While the library is unit tested, the validation is not extensive. This applies particularly for functions which are more than simple wrappers for existing implementations. Please apply appropriate caution.