diff --git a/geocoder/postal-codes/README.md b/geocoder/postal-codes/README.md
index 0e3cf3a..6f34207 100644
--- a/geocoder/postal-codes/README.md
+++ b/geocoder/postal-codes/README.md
@@ -163,6 +163,8 @@ Import the file ignoring step 2.
   ![Duplicates](https://camo.githubusercontent.com/1dbd4874830b0654b2fc2e11cd2a650d498f6bc9/68747470733a2f2f646c2e64726f70626f7875736572636f6e74656e742e636f6d2f752f323837393330382f53637265656e25323053686f74253230323031352d30362d3239253230617425323031322e35362e30332e706e67)
 
 # Historic:
+* [15/07/2015]:
+  * Adds basic tests for postal codes polygons
 * [02/07/2015]:
   * Adds known deficiencies and coverage map 
 * [24/06/2015]: