diff --git a/bsf b/bsf
index cf4bf26..83cf953 100644
--- a/bsf
+++ b/bsf
@@ -3,7 +3,7 @@
 # Bash Framework
 # Some useful bash functions to make things easier.
 #
-# Copyright (C) 2017-2018 willipink.eu
+# Copyright (C) 2017-2019 willipink.eu
 # Author Moritz Münch moritzmuench@mailbox.org
 #
 # This program is free software: you can redistribute it and/or modify
@@ -20,6 +20,10 @@
 # along with this program. If not, see <http://www.gnu.org/licenses/>.
 
 
+
+# Variables
+
+# supress colors if used to write to a log
 LOG=True
 for arg in $*; do
     if [[ "$arg" == "--log" ]]; then
@@ -28,8 +32,7 @@ for arg in $*; do
 done
 
 
-# VARIABLES
-## COLORS (use ANSI escape codes)
+## colors (use ANSI escape codes)
 if [[ "$LOG" == True ]]; then
     normal () { printf '\033[0m'    ; }
     red ()    { printf '\033[0;31m' ; }
@@ -71,22 +74,32 @@ else
 fi
 
 
-# FUNCTIONS
-# Print somethong to STDOUT. Use printf for safety purposes, see http://www.etalabs.net/sh_tricks.html
-# @param string what to say
+
+# Functions
 say () {
+    # Print something to stdout.
+
+    # Use printf for safety purposes, see http://www.etalabs.net/sh_tricks.html
+
+    # @param what to print
+
     printf %s\\n "$*"
     return 0
 }
 
-# Print to Stdout. Do not finish with a linebreak
+
 sayn () {
+    # Like say without linebreak.
+
+    # @param what to print
+
     printf %s "$*"
     return 0
 }
 
-# quick styler, usage "style *color*"
 sayc() {
+    # quick styler, usage "style *color*"
+
     if [[ "$1" == "" ]]; then
         blue
     else
@@ -98,6 +111,7 @@ sayc() {
     normal
     return 0
 }
+
 saycn() {
     $1
     sayn " ::: "
@@ -107,24 +121,21 @@ saycn() {
     return 0
 }
 
-
-# check if user is root
-# @return true if user is root, else false
 root () {
+    # Exit immediately if user is not root
+    # Usage: root
+
     if [[ "$EUID" -ne 0 ]]; then
         say
         sayc red "You need to be root."
         exit 1
-    else
-        say
-        sayc green "You are root."
-        return 0
     fi
 }
 
-
-# Check if last call had errors. If so, print error message and exit.
 ok() {
+    # Check if last call had errors. If so, print error message and exit.
+    # Usage: ok <command>
+
     if [[ "$?" -ne 0 ]]; then
         sayc red "ERROR, aborting."
         exit 1
@@ -134,25 +145,17 @@ ok() {
     fi
 }
 
-# Do a job and check if it ran successfull.
-# @param $*: command to execute
 try() {
-    $*
-    if [[ "$?" -ne 0 ]]; then
-        sayc red "ERROR, aborting"
-        say
-        exit 1
-    else
-        sayc green "done"
-        return 0
-    fi
+    # Do a job and check if it ran successfull.
+    # Usage: try <command>
+
+    $* && ok
 }
 
-# Do a job, write a message, color it and check if it ran successfull.
-# @param $1 color
-# @param $2 message
-# @param $3 command
 trycm() {
+    # Do a job, write a message, color it and check if it ran successfull.
+    # Usage: trycmd <color> <message> <command>
+
     if [[ "$2" != "" ]]; then
         say
         sayc "$1" "$2"