diff --git a/.bash_extra b/.bash_extra
index 5776835..c467e31 100644
--- a/.bash_extra
+++ b/.bash_extra
@@ -249,3 +249,7 @@ alias cp="cp -i "
 alias rm="rm -i "
 # rest
 alias rs="pwgen --capitalize --num-passwords=1 --numerals --secure 14"
+alias suspend="sudo systemctl suspend"
+alias suspend="sudo systemctl suspend"
+alias restart="sudo systemctl restart"
+alias shutdown="sudo systemctl shutdown"
diff --git a/README.md b/README.md
index c9c92f6..7546c80 100644
--- a/README.md
+++ b/README.md
@@ -68,7 +68,7 @@ Leader = `,`
 | mod1 + v                        | Split horizontal                                                              | # umbelegen |
 | mod1 + h                        | split vertical                                                                | # umbelegen |
 | mod1 + Strg + </>               | move Workspace to on the left/right                                           |             |
-| mod1 + Shift+  f                        | fullscreen                                                                    |             |
+| mod1 + Shift+  f                | fullscreen                                                                    |             |
 | mod1+t/s                        | change container layout (tabbed, toggle split)                                |             |
 | mod1+shift+<leertaste>          | toggle tiling / floating                                                      |             |
 | mod1 + <leertaste>              | change focus between tiling / floating windows                                |             |
@@ -86,3 +86,8 @@ Leader = `,`
 ## alacritty
 
 * Links mit <Shift+Linksklick> anklickbar
+
+## polybar
+
+* Fenster mit mausradklick schließen
+* Floating Fenster mit Mausrad vergrößern/verkleinern