diff --git a/Convex_hull_2/examples/Convex_hull_2/ch_example_from_cin_to_cout.cin b/Convex_hull_2/examples/Convex_hull_2/ch_from_cin_to_cout.cin
similarity index 100%
rename from Convex_hull_2/examples/Convex_hull_2/ch_example_from_cin_to_cout.cin
rename to Convex_hull_2/examples/Convex_hull_2/ch_from_cin_to_cout.cin
diff --git a/Convex_hull_2/examples/Convex_hull_2/ch_example_from_cin_to_cout.cpp b/Convex_hull_2/examples/Convex_hull_2/ch_from_cin_to_cout.cpp
similarity index 100%
rename from Convex_hull_2/examples/Convex_hull_2/ch_example_from_cin_to_cout.cpp
rename to Convex_hull_2/examples/Convex_hull_2/ch_from_cin_to_cout.cpp
diff --git a/Convex_hull_2/examples/Convex_hull_2/ch_example_timing.cpp b/Convex_hull_2/examples/Convex_hull_2/ch_timing.cpp
similarity index 100%
rename from Convex_hull_2/examples/Convex_hull_2/ch_example_timing.cpp
rename to Convex_hull_2/examples/Convex_hull_2/ch_timing.cpp