diff --git a/README.md b/README.md
index 04922b0..f79dd6c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,14 @@
-Object localisation challenge
+Object detection challenge
 =====================================
 
-Classify objects and determine their positions on images.
+Classify objects and determine their positions on scanned first pages of newspaper images.
+
+Find bounding boxes containing given classes:
+
+Classes:
+`TYTUŁ` — title
+`PODTYTUŁ` — subtitle
+`DATA` —  date
 
 Directory structure
 -------------------