Just a sentece corrected at Conclusion section

Future sentences corrected as past sentences.

contributors.md

@@ -16,3 +16,4 @@ Thank you to all contributors:
 * [zil](https://github.com/zil)
 * [codelitt](https://github.com/codelitt)
 * [gulyasm](https://github.com/gulyasm)
+* [alx741](https://github.com/alx741)

linux-bootstrap-2.md

@@ -448,9 +448,9 @@ Conclusion
 
 It is the end of the second part about linux kernel internals. In next part we will see setting of video mode and the rest of preparation before transition to protected mode and directly transition into it.
 
-If you will have any questions or suggestions write me a comment or ping me at [twitter](https://twitter.com/0xAX).
+If you have any questions or suggestions write me a comment or ping me at [twitter](https://twitter.com/0xAX).
 
-**Please note that English is not my first language, And I am really sorry for any inconvenience. If you will find any mistakes please send me PR to [linux-internals](https://github.com/0xAX/linux-internals).**
+**Please note that English is not my first language, And I am really sorry for any inconvenience. If you found any mistakes please send me PR to [linux-internals](https://github.com/0xAX/linux-internals).**
 
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