diff --git a/java/examples/Books/Processing Handbook/Synthesis/Synthesis_01_collage_02/_02_collage.pde b/java/examples/Books/Processing Handbook/Synthesis/Synthesis_01_collage_02/Synthesis_01_collage_02.pde
similarity index 100%
rename from java/examples/Books/Processing Handbook/Synthesis/Synthesis_01_collage_02/_02_collage.pde
rename to java/examples/Books/Processing Handbook/Synthesis/Synthesis_01_collage_02/Synthesis_01_collage_02.pde