diff --git a/README.md b/README.md
index 90da562..f1799ec 100644
--- a/README.md
+++ b/README.md
@@ -7,13 +7,11 @@ Detect structure of given page.
 Format
 ------
 
-Each clipping found in a corresponding PDF/DjVu file. Each clipping should be given as L:P/X0,Y0,X1,Y1:PROB,
+Each clipping found in a corresponding PDF/DjVu file. Each clipping should be given as L:X0,Y0,X1,Y1,
 where:
 
-    L — (optional) label
-    P — DjVu page number (starting from 1, optional if one-page documents are assumed)
+    L — label
     X0, Y0, X1, Y1 — clipping coordinates (in pixels)
-    PROB — (optional) probability
 
 
 Directory structure