little changes in the readme

Author: merrychap

README.md

@@ -5,16 +5,23 @@ Shellen is an interactive shellcoding environment. If you want a handy tool to w
 
 It uses [keystone](https://github.com/keystone-engine/keystone) and [capstone](https://github.com/aquynh/capstone) engines for all provided operations.
 
-Shellen *works only on python3*, but it will be changed in the future!
+Shellen **works only on python3**. Maybe it will be changed in the future.
 
 ## Installing
 You can install the stable version of shellen using pip3:
 ```
 $ sudo pip3 install shellen
 ```
 
+Or if you already have all required packages (see [Requirements](#requirements)):
+```
+$ python3 setup.py install
+```
+
+If you have any trouble with installing keystone-engine, then you should compile it by yourself (see the [COMPILE.md](https://github.com/keystone-engine/keystone/blob/master/docs/COMPILE.md) file in the [keystone](https://github.com/keystone-engine/keystone) repository)
+
 ## How to run:
-To run shellen just type the next in your terminal:
+After installing shellen and all its required packages, you can run shellen just by typing the next in your terminal:
 ```sh
 $ shellen
 ```

shellen/shell.py

@@ -82,22 +82,22 @@ def help(self, *args):
         cprint((
             '\n<white,bold>PROMPT INFO</>\n'
             '   The prompt format is <white,bold>mode</>:<white,bold>arch</>\n'
-            '       <white,bold>• mode</> is a current <white,underline>assembly mode</> (by default it\'s asm). See below for more information.\n'
-            '       <white,bold>• arch</> is a chosen processor <white,underline>architecture</> (by default it\'s x86_32).\n'
+            '       <white,bold>* mode</> is a current <white,underline>assembly mode</> (by default it\'s asm). See below for more information.\n'
+            '       <white,bold>* arch</> is a chosen processor <white,underline>architecture</> (by default it\'s x86_32).\n'
             '\n<white,bold>BASIC</>\n'
             '   Basic commands are listed below:\n'
-            '       <white,bold>• clear</>: Clear the terminal screen.\n'
-            '       <white,bold>• help</>: Show this help message.\n'
-            '       <white,bold>• quit, q, exit</>: Finish the current session and quit.\n'
+            '       <white,bold>* clear</>: Clear the terminal screen.\n'
+            '       <white,bold>* help</>: Show this help message.\n'
+            '       <white,bold>* quit, q, exit</>: Finish the current session and quit.\n'
             '\n<white,bold>MODES</>\n'
             '   If you want to change a current mode, then just type the name of a mode.\n'
             '   There are two assembly modes (each is described below):\n'
-            '       <white,bold>• asm</>: Assembler mode.\n'
-            '       <white,bold>• dsm</>: Disassembler mode.\n'
+            '       <white,bold>* asm</>: Assembler mode.\n'
+            '       <white,bold>* dsm</>: Disassembler mode.\n'
             '\n<white,bold>COMMON COMMANDS FOR MODES</>\n'
             '   Common commands can be used for both <white, underline>asm</> and <white, underline>dsm</> modes.\n'
-            '       <white,bold>• archs</>: Print a table of available architectures for a current mode.\n'
-            '       <white,bold>• setarch [arch]</>: Change current processor architecture.\n'
+            '       <white,bold>* archs</>: Print a table of available architectures for a current mode.\n'
+            '       <white,bold>* setarch [arch]</>: Change current processor architecture.\n'
             '\n<white,bold>ASSEMBLY MODE</>\n'
             '   <white,bold>asm</> mode is intended for assembling instructions.\n'
             '   To assembly instuctions, write them separated by colons.\n'