diff --git a/packages/Turtlebot3/deps/20-turtlebot3.sbc.deps b/packages/turtlebot3/deps/20-turtlebot3.sbc.deps
similarity index 100%
rename from packages/Turtlebot3/deps/20-turtlebot3.sbc.deps
rename to packages/turtlebot3/deps/20-turtlebot3.sbc.deps
diff --git a/packages/Turtlebot3/deps/30-cartographer.deps b/packages/turtlebot3/deps/30-cartographer.deps
similarity index 100%
rename from packages/Turtlebot3/deps/30-cartographer.deps
rename to packages/turtlebot3/deps/30-cartographer.deps
diff --git a/packages/Turtlebot3/deps/40-navigation2.deps b/packages/turtlebot3/deps/40-navigation2.deps
similarity index 100%
rename from packages/Turtlebot3/deps/40-navigation2.deps
rename to packages/turtlebot3/deps/40-navigation2.deps
diff --git a/packages/Turtlebot3/deps/50-gazebo.deps b/packages/turtlebot3/deps/50-gazebo.deps
similarity index 100%
rename from packages/Turtlebot3/deps/50-gazebo.deps
rename to packages/turtlebot3/deps/50-gazebo.deps
diff --git a/packages/Turtlebot3/deps/version.ini b/packages/turtlebot3/deps/version.ini
similarity index 100%
rename from packages/Turtlebot3/deps/version.ini
rename to packages/turtlebot3/deps/version.ini
diff --git a/packages/Turtlebot3/repos/turtlebot3.repos b/packages/turtlebot3/repos/turtlebot3.repos
similarity index 100%
rename from packages/Turtlebot3/repos/turtlebot3.repos
rename to packages/turtlebot3/repos/turtlebot3.repos
diff --git a/packages/Turtlebot3/scripts/pre_build.sh b/packages/turtlebot3/scripts/pre_build.sh
similarity index 100%
rename from packages/Turtlebot3/scripts/pre_build.sh
rename to packages/turtlebot3/scripts/pre_build.sh
diff --git a/packages/Turtlebot3/urdf/turtlebot3_waffle.urdf.xacro b/packages/turtlebot3/urdf/turtlebot3_waffle.urdf.xacro
similarity index 100%
rename from packages/Turtlebot3/urdf/turtlebot3_waffle.urdf.xacro
rename to packages/turtlebot3/urdf/turtlebot3_waffle.urdf.xacro
diff --git a/scripts/build.sh b/scripts/build.sh
index 1e1d9fd..3ea8000 100644
--- a/scripts/build.sh
+++ b/scripts/build.sh
@@ -27,7 +27,7 @@ set -e
 #######################################
 # Build packages
 # Arguments:
-#  pkg: selected pacakges such as Turtlebot3, perception...
+#  pkg: selected pacakges such as turtlebot3, perception...
 #  build_option: --include-deps
 #######################################
 build_pkg()
@@ -78,7 +78,7 @@ build_pkg()
 #######################################
 # Build execution
 # Arguments:
-#   pkg: selected pacakges such as Turtlebot3, perception...
+#   pkg: selected pacakges such as turtlebot3, perception...
 #   ros2_build_dir: output build/build folder
 #   ros2_install_dir: output build/install folder
 #   src_dir: source code folder
diff --git a/scripts/config/package.cfg b/scripts/config/package.cfg
index 2c80ebd..c98606f 100644
--- a/scripts/config/package.cfg
+++ b/scripts/config/package.cfg
@@ -1,3 +1,3 @@
 # packages=flag[true|false]
 perception=true
-Turtlebot3=true
+turtlebot3=true