diff --git a/README.md b/README.md
index 2c4fa0d..cd0b72b 100644
--- a/README.md
+++ b/README.md
@@ -61,7 +61,7 @@ devide(ret2, size)
 --displays a comparison of the input and the output, the real part should be equal
 --the imaginary part is non zero (but fairly close) due to several calculations
 --that have been carried out in the FFT
-compare(list2,ret)
+compare(list1,ret2)
 ```
 
 # Licence and Version