diff --git a/tmux/tmux.conf.symlink b/tmux/tmux.conf.symlink
index aa79ff7..c58d215 100644
--- a/tmux/tmux.conf.symlink
+++ b/tmux/tmux.conf.symlink
@@ -5,6 +5,9 @@ set -g history-limit 20000
 # automatically renumber tmux windows
 set -g renumber-windows on
 
+# something for nvim
+set -g focus-events on
+
 # unbind default prefix and set it to Ctrl+a
 unbind C-b
 set -g prefix C-a
diff --git a/vim/ftplugin/mail.vim b/vim/ftplugin/mail.vim
index 7376fe5..50d7168 100644
--- a/vim/ftplugin/mail.vim
+++ b/vim/ftplugin/mail.vim
@@ -1,2 +1,6 @@
+
+set spell
+set spelllang=de
+
 iab VG Viele Grüße
 iab MS Marcel Schneider
diff --git a/vim/ftplugin/tex.vim b/vim/ftplugin/tex.vim
index 6214f3f..feeee42 100644
--- a/vim/ftplugin/tex.vim
+++ b/vim/ftplugin/tex.vim
@@ -32,4 +32,8 @@ iab DEU Deutschland
 iab thg Treibhausgas
 iab emis Emission
 iab ewende Energiewende
+iab def Definition
+iab OSA Off-Shore-Anlage
+iab oSA On-Shore-Anlage
+iab zb zum Beispiel
 "}}}
diff --git a/zsh/aliases.zsh b/zsh/aliases.zsh
index 16efd41..c3237ce 100644
--- a/zsh/aliases.zsh
+++ b/zsh/aliases.zsh
@@ -25,8 +25,6 @@ alias down='http --download '
 
 alias p3='python3 '
 
-alias open='xdg-open '
-
 alias -g L='| less'
 alias -g G='| grep'