diff --git a/Isosurfacing_3/doc/Isosurfacing_3/Marching_cube.txt b/Isosurfacing_3/doc/Isosurfacing_3/Isosurfacing_3.txt
similarity index 100%
rename from Isosurfacing_3/doc/Isosurfacing_3/Marching_cube.txt
rename to Isosurfacing_3/doc/Isosurfacing_3/Isosurfacing_3.txt
diff --git a/Isosurfacing_3/doc/Isosurfacing_3/fig/isosurfacing3_ico.png b/Isosurfacing_3/doc/Isosurfacing_3/fig/isosurfacing3_ico.png
index 5609b037587..80540bd0eab 100644
Binary files a/Isosurfacing_3/doc/Isosurfacing_3/fig/isosurfacing3_ico.png and b/Isosurfacing_3/doc/Isosurfacing_3/fig/isosurfacing3_ico.png differ