more typos

README.md

@@ -64,7 +64,7 @@ var md = require('markdown-it')();
 var result = md.render('# markdown-it rulezz!');
 
 // browser without AMD, added to "window" on script load
-// Note, there are no dash.
+// Note, there is no dash in "markdownit".
 var md = window.markdownit();
 var result = md.render('# markdown-it rulezz!');
 ```
@@ -79,7 +79,7 @@ var result = md.renderInline('__markdown-it__ rulezz!');
 
 ### Init with presets and options
 
-(*) preset define combination of active rules and options. Can be
+(*) presets define combinations of active rules and options. Can be
 `"commonmark"`, `"zero"` or `"default"` (if skipped). See
 [API docs](https://markdown-it.github.io/markdown-it/#MarkdownIt.new) for more details.
 
@@ -188,7 +188,7 @@ Via plugins:
 ### Manage rules
 
 By default all rules are enabled, but can be restricted by options. On plugin
-load all it's rules are enabled automatically.
+load all its rules are enabled automatically.
 
 ```js
 // Activate/deactivate rules, with curring
@@ -208,7 +208,7 @@ md = require('markdown-it')('full', {
 
 ## Benchmark
 
-Here is result of readme parse at MB Pro Retina 2013 (2.4 GHz):
+Here is the result of readme parse at MB Pro Retina 2013 (2.4 GHz):
 
 ```bash
 $ benchmark/benchmark.js readme
@@ -226,7 +226,7 @@ __Note.__ CommonMark version runs with [simplified link normalizers](https://git
 for more "honest" compare. Difference is ~ 1.5x.
 
 As you can see, `markdown-it` doesn't pay with speed for it's flexibility.
-Slowdown of "full" version caused by additional features, not available in
+Slowdown of "full" version caused by additional features not available in
 other implementations.