diff --git a/dotfiles/install.org b/dotfiles/install.org
index e415f21..34869fc 100644
--- a/dotfiles/install.org
+++ b/dotfiles/install.org
@@ -1509,32 +1509,33 @@ https://nordvpn.com/fr/tutorials/linux/openvpn/
 
 * Others
 ** Wallpaper: =xwallpaper=
-** Reddit on terminal: rtv
-#+begin_src bash
-  yay -S rtv
-#+end_src
-
 ** Interact with API
 - GUI: https://github.com/getinsomnia/insomnia
 - CLI: https://github.com/jakubroztocil/httpie
 
 ** Take Screenshot
-https://github.com/naelstrof/maim
-#+begin_src bash
-  yay -S maim
-#+end_src
+- https://github.com/naelstrof/maim
+- https://github.com/lupoDharkael/flameshot
 
 #+begin_src bash
-  man maim
+  yay -S maim flameshot
+#+end_src
+
+** File transfer
+https://github.com/schollz/croc
+
+#+begin_src bash
+  yay -S croc
 #+end_src
 
 ** Utilities
-#+begin_src bash
-  yay -S fd ripgrep pdf2svg pdftk
-#+end_src
+- https://github.com/BurntSushi/ripgrep
+- https://github.com/dawbarton/pdf2svg
+- https://www.pdflabs.com/tools/pdftk-the-pdf-toolkit/
+- https://github.com/Airblader/unclutter-xfixes
 
 #+begin_src bash
-  yay -S unclutter
+  yay -S fd ripgrep pdf2svg pdftk unclutter
 #+end_src
 
 
diff --git a/dotfiles/polybar.org b/dotfiles/polybar.org
index 6f1b5cf..8360569 100644
--- a/dotfiles/polybar.org
+++ b/dotfiles/polybar.org
@@ -575,12 +575,14 @@
 :END:
 #+BEGIN_SRC bash
   yay -Sy > /dev/null 2>&1 && \
-  package_nb=`yay -Qu 2> /dev/null | wc -l`;
+      package_nb=`yay -Qu 2> /dev/null | wc -l` || \
+      package_nb=0
+
 
   if [ "$package_nb" -eq "0" ]; then
-    echo "";
+      echo "";
   else
-    echo "%{F#859900} $package_nb%{F-}";
+      echo "%{F#859900} $package_nb%{F-}";
   fi
 #+END_SRC
 
diff --git a/dotfiles/scripts.org b/dotfiles/scripts.org
index d355ed9..e8b2d4d 100644
--- a/dotfiles/scripts.org
+++ b/dotfiles/scripts.org
@@ -116,7 +116,7 @@ Finally, lock the screen using =i3lock=.
 #+begin_src bash :tangle ~/scripts/torrent-add.sh
   transmission-remote ***REMOVED***:9091 --auth tdehaeze:$(pass nas/transmission | sed -n 1p) -a $1 && \
       dunstify 'Torrent' 'Successfully added' || \
-        dunstify 'Torrent' 'Error'
+      dunstify 'Torrent' 'Error'
 
 #+end_src