From d0fc9940ce31a7c2ca8bd8d56a5c2a95500eefcc Mon Sep 17 00:00:00 2001
From: Nadiah Kristensen <nadiah.kristensen@gmail.com>
Date: Mon, 13 Apr 2015 12:07:40 +1000
Subject: [PATCH] Update README.md

---
 README.md | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/README.md b/README.md
index af25a27..64a877f 100644
--- a/README.md
+++ b/README.md
@@ -12,3 +12,9 @@ Use:
 >>> permanent(eye(15))
 (1-0j)
 ```
+Please note that the function assumes that the array contains complex numbers. So for example:
+```python
+>>> permanent(array([[0,1],[1,1]]), dtype=complex)
+(1+0j)
+```
+whereas using ```permanent(array([[0,1],[1,1]]))``` will not produce the expected result.