docs: update some wording/typo [skip ci]

Author: adhocore

readme.md

@@ -3,13 +3,13 @@
 PHP library to fix Truncated JSON data by padding contextual counterpart to the end. Works with PHP5.4 or above.
 
 [![Latest Version](https://img.shields.io/github/release/adhocore/php-json-fixer.svg?style=flat-square)](https://github.com/adhocore/php-json-fixer/releases)
-[![Travis Build](https://img.shields.io/travis/adhocore/php-json-fixer/master.svg?style=flat-square)](https://travis-ci.org/adhocore/php-json-fixer?branch=master)
+[![Travis Build](https://travis-ci.com/adhocore/php-json-fixer.svg?branch=master)](https://travis-ci.com/adhocore/php-json-fixer?branch=master)
 [![Scrutinizer CI](https://img.shields.io/scrutinizer/g/adhocore/php-json-fixer.svg?style=flat-square)](https://scrutinizer-ci.com/g/adhocore/php-json-fixer/?branch=master)
 [![Codecov branch](https://img.shields.io/codecov/c/github/adhocore/php-json-fixer/master.svg?style=flat-square)](https://codecov.io/gh/adhocore/php-json-fixer)
 [![StyleCI](https://styleci.io/repos/141589074/shield)](https://styleci.io/repos/141589074)
 [![Software License](https://img.shields.io/badge/license-MIT-brightgreen.svg?style=flat-square)](LICENSE)
 
-**It is a work in progress and might not cover all edge cases**
+**It is a work in progress and might not cover all edge cases.** It would be great if you try it out, open some issues or contribute.
 
 ## Installation
 ```bash
@@ -33,7 +33,7 @@ $json = (new Fixer)->fix('{"b":[1,[{"b":1,"c"');
 ## Error
 
 If there's error and fixer cant fix the JSON for some reason, it will throw a `RunttimeException`.
-You can disable this behavior by passing silent flag (2nd param) and in such case original input is returned:
+You can disable this behavior by passing silent flag (2nd param) to `fix()` in which case original input is returned:
 
 ```php
 (new Fixer)->fix('invalid', true);
@@ -42,7 +42,7 @@ You can disable this behavior by passing silent flag (2nd param) and in such cas
 
 ## Missing Value
 
-By default missing values are provided with `null`. You can change it by passing 3rd param to `fix()`
+By default missing values are padded with `null`. You can change it by passing 3rd param to `fix()`:
 
 ```php
 // key b is missing value and is padded with `null`
@@ -53,7 +53,9 @@ $json = (new Fixer)->fix('{"a":1,"b":');
 $json = (new Fixer)->fix('{"a":1,"b":', false, 'true');
 // {"a":1,"b":true}
 
-// key b is missing value and is padded with `true`
+// key b is missing value and is padded with `"truncated"`
+// Note that you can actually inject a whole new JSON subset as 3rd param
+// but that should be a valid JSON segment and is not checked by fixer.
 $json = (new Fixer)->fix('{"a":1,"b":', false, '"truncated"');
 // {"a":1,"b":"truncated"}
 ```