minor updates

README.md

@@ -325,7 +325,7 @@ Before add pull request please see **[this](https://github.com/trimstray/the-boo
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://explainshell.com/"><b>explainshell</b></a> - get interactive help texts for shell commands.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://jsbin.com/?html,output"><b>jsbin</b></a> - live pastebin for HTML, CSS & JavaScript and more.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://codepen.io/pen"><b>CodePen</b></a> - a social development environment for front-end designers and developers.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://codesandbox.io/"><b>CodeSandbox</b></a> - Online Code Editor for Web Application Development. Supports React, Vue, Angular, CxJS, Dojo, etc.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://codesandbox.io/"><b>CodeSandbox</b></a> - online code editor for web application development. Supports React, Vue, Angular, CxJS, Dojo, etc.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://sandbox.onlinephpfunctions.com/"><b>PHP Sandbox</b></a> - test your PHP code with this code tester.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.repl.it/"><b>Repl.it</b></a> - an instant IDE to learn, build, collaborate, and host all in one place.<br>
 </p>
@@ -347,8 +347,8 @@ performance of any of your sites from across the globe.<br>
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://censys.io/"><b>Censys</b></a> - platform that helps information security practitioners discover, monitor, and analyze devices.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.shodan.io/"><b>Shodan</b></a> - the world's first search engine for Internet-connected devices.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://2000.shodan.io/#/"><b>Shodan 2000</b></a> - Do you use Shodan for everyday work?  This tool looks for randomly generated data from Shodan.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://viz.greynoise.io/table"><b>GreyNoise</b></a> - mass scanner (such as Shodan and Censys).<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://2000.shodan.io/#/"><b>Shodan 2000</b></a> - do you use Shodan for everyday work? This tool looks for randomly generated data from Shodan.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://viz.greynoise.io/table"><b>GreyNoise</b></a> - mass scanner such as Shodan and Censys.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.zoomeye.org/"><b>ZoomEye</b></a> - search engine for cyberspace that lets the user find specific network components.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://fofa.so/"><b>FOFA</b></a> - is a cyberspace search engine.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.onyphe.io/"><b>onyphe</b></a> - is a search engine for open-source and cyber threat intelligence data collected.<br>