diff --git a/README.md b/README.md
index 5ee7a63..b420e20 100644
--- a/README.md
+++ b/README.md
@@ -1,5 +1,5 @@
 # bfckr [![Build Status](https://travis-ci.org/id101010/bfckr.svg?branch=master)](https://travis-ci.org/id101010/bfckr)
-A little brainfuck interpreter written in C.
+A simple to use brainfuck interpreter with built in debugger written in C.
 
 # How to run
 * Type "make"
@@ -13,11 +13,9 @@ Usage: ./bfckr [OPTION]
 -h        Show this help.
 -d        Enable debugger.
 -f        Execute brainfuck code given as file.
--e        Execute brainfuck code given as argument.
+-e        Execute brainfuck expression given as argument.
 ~~~~
 
-
-
 ## examples:
 
 **./bfckr -f examples/pi.bf**
diff --git a/examples/bintodec.bf b/examples/bintodec.bf
new file mode 100644
index 0000000..92d60fe
--- /dev/null
+++ b/examples/bintodec.bf
@@ -0,0 +1 @@
+++++++[>++++++++<-]>[>+++[>++++[>+++++<-]<-],.[>+>-<<-]>>+[[-]<[<+>-]>]<[-]<]<[<]->[-]>[>]>>+>+<<<<[<]>[[>]->>[>]+[[>+<-]<]>>[[[>]>[>]>+<<[<]<[<]>-]<+>>[>]>[>]+>-[<+[<]<[<]<+>>[>]>[>]<-]<[<]<[<]>]>[[<+>-]>]+<+[<]<[[>>[>]<+[<]<-]>>[>]<-[>+<-]<[<]<<[[>+<-]<]>>[>]<]>>[>]>[[<+>-]>]<<[-[-[-[>+<-]<+>>-<]>+<]>+<<]>>-[+<]+<<+[<+]>->>->[>]>[-[<<[<]<+>>[>]>-]<+[<]+>->[>]>]<<[-<]<-<[<]<<[<]++++++[>--------<-]>[[>]>+<<[<]>-]>[>]>[<+>-]<[>>[>]>>+<<<[>>[>]>[<<[<]<--[+>+[>]>>-<<<[<]]>+[<+>-]>[>]>->+<]>[<+>-]<<<[<]<[>+<-]<]>>-[+[>]<[[>+<-]<]>]+[[<+>-]>]<<[<]<-]<[<]>]>>[>]++[<]>--[>--]++<++<[+<[<]>[+>]]<+[<+]>>->[>]>[-[<<[<]<+>>[>]>-]<+[<]+>->[>]>]<<[-<]<-<--<[<]>>[<<+>>-]+<<[-[>>+<<-]]>[>]>++++++[<++++++++>-]<-[<[+<]>[>]<-]<[<]>>[.>]
diff --git a/examples/tree.bf b/examples/tree.bf
new file mode 100644
index 0000000..0e6fc81
--- /dev/null
+++ b/examples/tree.bf
@@ -0,0 +1,5 @@
+>++++[<++++++++>-]>++++++[<++++++++>-]<->>++++++++
+[<++++++++++++>-]<---->++++++++++>++++++++++[>+>+<
+<-]>>[<<+>>-]<[[>+>+<<-]>>[<<+>>-]<[<<<<<<.>>>>>>-
+]<[>+>+<<-]>>[<<+>>-]<<<[>>>+>+<<<<-]>>>>[<<<<+>>>
+>-]<<[>-<-]>+[<<<<<<.>.>>>>>-]<<<.>-]