diff --git a/flatlaf-core/README.md b/flatlaf-core/README.md
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+FlatLaf Core
+============
+
+This sub-project contains the FlatLaf core source code.
diff --git a/flatlaf-demo/README.md b/flatlaf-demo/README.md
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+FlatLaf Demo
+============
+
+This sub-project contains the FlatLaf Demo source code.
diff --git a/flatlaf-testing/README.md b/flatlaf-testing/README.md
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+FlatLaf Testing
+===============
+
+This sub-project contains small Swing applications used to develop and test
+FlatLaf.