diff --git a/README.md b/README.md
index ab766a2..507ebc2 100644
--- a/README.md
+++ b/README.md
@@ -18,15 +18,13 @@ DONE
 * [x] Bookworm ready
 
 
-requirements for installation process
-------------
+requirements before installation process
+----------------------------------------
 
 * curl
 * git
 
-`sudo apt install -y curl git`
-
 install one-liner
 -----------------
 
-`curl https://git.artcode.re/pvincent/debian-gnome/raw/branch/master/src/install.sh | bash -s --`
\ No newline at end of file
+`sudo apt install -y curl git && curl https://git.artcode.re/pvincent/debian-gnome/raw/branch/master/src/install.sh | bash -s --`
\ No newline at end of file
diff --git a/src/main b/src/main
index fc4138b..ec1a13c 100755
--- a/src/main
+++ b/src/main
@@ -215,7 +215,7 @@ EXTENSIONS=(
 for extension in "${EXTENSIONS[@]}"; do
     if [[ ! -d $HOME/.local/share/gnome-shell/extensions/$extension ]]; then
         "$HOME/.local/bin/gext" install "$extension"
-        sudo cp "$HOME/.local/share/gnome-shell/extensions/$extension/schemas/*.gschema.xml" /usr/share/glib-2.0/schemas/
+        sudo cp "$HOME"/.local/share/gnome-shell/extensions/"$extension"/schemas/*.gschema.xml /usr/share/glib-2.0/schemas/
     else
         echo "extension <${extension}> already installed!"
     fi