update README

README.txt

@@ -10,16 +10,16 @@ __Do not go out of ways how the default environments work__.
 
 
 There are many cases when I must work on foreign environments, and it is always
-VERY irritating when things will not work as I expect, yet setting up my own
-environment will be troublesome. So I avoid changing behaviors of tools,
-except for emacs.
+VERY irritating when things do not work as I expected, yet setting up my own
+environment is troublesome. So I avoid changing behaviors of tools, except
+for emacs.
 
 Emacs is the editor I usually use for coding. I decided to change the behavior
 of emacs as I want without thinking about other environments. When I cannot use
 my emacs.el I'll use vi or vim instead.
 
 Other tools like bash and vim basically work in the same ways even when using my
-rc files. The main changes are related to showing informations, typically the
+rc files. The main changes are related to showing informations, typically in the
 bash prompt.
 
 
@@ -41,4 +41,3 @@ Sourcing flow
    |--~/.dotfiles/xprofile
    |
    `--~/.dotfiles/xprograms
-