diff --git a/README.md b/README.md
index 57046fd..61a900f 100644
--- a/README.md
+++ b/README.md
@@ -27,13 +27,13 @@ sudo gwbuild -i
 ## Structure of AqDiagram
 
 AqDiagram consists of 4 parts:
-- data:
+- __data__:
   Library for data manipulation (accumulate, negate, diff, average, floating average, sums for days and months)
-- draw:
+- __draw__:
   Library for drawing text and simple figures (points, lines, rectangles), current implementation for libcairo).
-- placement:
+- __placement__:
   Library for placement of objects in a plane.
-- graph:
+- __graph__:
   Library for drawing graphs using the other libraries.