diff --git a/CHANGELOG.md b/CHANGELOG.md
index 9a051da158c8731b161b4ae6425af18bae011c2a..d80e77ea19bc3903fe427572c0e2286557d108aa 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 * Pomniejsze usprawnienia do TimerHeap
 * Dodano `self` do @typed
 * Dodano typ `Number` do @typed
+* Satella korzysta z [Code Climate](https://codeclimate.com/github/piotrmaslanka/satella)
 
 ## v2.0.11
 
diff --git a/setup.cfg b/setup.cfg
index 6162e2f9b7d7e525902cd13519fe71dba216f238..8e6b1245f74557706ac1a85446f40c7c072d030c 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -9,3 +9,5 @@ universal=1
 
 [nosetests]
 verbosity=3
+with-coverage=1
+detailed-errors=1