diff --git a/README.md b/README.md
index 080343ae022b68e9ef251dd14bc08baa7d5bcbe0..f0b3116667110cb47fef461f4a33fe73c592fe95 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,14 @@ ant
 * "ARDroneForP5.jar" is generated in the directory "library".
 * 2 warings are displayed. (Unverified)
 
+Have to add the following libraries before running an example sketch. (In menu bar, Sketch -> Add File...)
+* library/ARDroneForP5.jar
+* lib/commons-net-3.6.jar
+* lib/xuggle-xuggler-5.4.jar
+* lib/slf4j-api-1.7.25.jar
+* lib/slf4j-jdk14-1.7.25.jar
+
+TODO: Operation verification
 
 ### Tmp Reference