diff --git a/02-MySaw/CMakeLists.txt b/02a-MySaw/CMakeLists.txt
similarity index 100%
rename from 02-MySaw/CMakeLists.txt
rename to 02a-MySaw/CMakeLists.txt
diff --git a/02-MySaw/MySaw.cpp b/02a-MySaw/MySaw.cpp
similarity index 100%
rename from 02-MySaw/MySaw.cpp
rename to 02a-MySaw/MySaw.cpp
diff --git a/02-MySaw/MySaw.sc b/02a-MySaw/MySaw.sc
similarity index 100%
rename from 02-MySaw/MySaw.sc
rename to 02a-MySaw/MySaw.sc