Corrected webpage links and some text edits

HELPME.md

@@ -9,12 +9,12 @@ The following help is highly appreciated:
 	- C programming - Can you write / review / test / improve the code? 
 	- Translators / Localizators - Can you translate raylib to another language?
 	- Documentation / Tutorials / Example writters - Can you write some tutorial / example?
-	- Web Development (I need a lot of help with this...) - Can you help with the web?
+	- Web Development - Can you help with the web? Can you setup a forum?
 	- Porting to Linux and OSX - Can you compile and test raylib on another OS?
 	- Testers of current features and multiple systems - Can you find some bug on raylib?
 
 If you can not help on any of the above points but you still want to contribute in some way... please, consider helping 
-with a small [donation](http://www.raylib.com/helpme.php) (just some euros...). It will really motivate to continue improving this project (and pay some bills… or some coffee).
+with a small [donation](http://www.raylib.com/helpme.htm) (just some euros...). It will really motivate to continue improving this project (and pay some bills… or some coffee).
 
 raylib philosophy
 ------------------

README.md

@@ -8,7 +8,7 @@ raylib is a simple and easy-to-use library to learn C videogames programming.
 raylib is highly inspired by Borland BGI graphics lib (more specifically WinBGI) and by XNA framework. 
 Allegro and SDL have also been analyzed for reference.
 
-Want to see how easy is making games with raylib? Jump to [code examples!] (http://www.raylib.com/examples.php)
+Want to see how easy is making games with raylib? Jump to [code examples!] (http://www.raylib.com/examples.htm)
 
 history
 -------
@@ -97,7 +97,7 @@ contact
 
 If you are using raylib and you enjoy it, please, [let me know][raysan5].
 
-If you feel you can help, then, [helpme!] (http://www.raylib.com/helpme.php)
+If you feel you can help, then, [helpme!] (http://www.raylib.com/helpme.htm)
 
 acknowledgments
 ---------------

ROADMAP.md

@@ -4,7 +4,7 @@ roadmap
 First version of raylib is quite complete and functional but there is still a lot of things I would like to improve.
 Here it is a list of features I would like to add and functions to improve.
 
-Around the source code there are some TODO points with pending revisions/bugs and ere it is a list of features I would like to add.
+Around the source code there are some TODO points with pending revisions/bugs and here it is a list of features I would like to add.
 
 raylib v1.x