Merge pull request google#902 from wiiikiii/patch-1

fixed markdown

README.md

@@ -1,4 +1,4 @@
-#The Physical Web#
+# The Physical Web
 
 <img align="left" src="https://raw.githubusercontent.com/google/physical-web/master/documentation/images/logo/logo-black.png" hspace="15" width="70px" style="float: left">
 
@@ -18,13 +18,13 @@ The URL is the fundamental building block of the web, giving remarkable flexibil
 * a fully interactive web page
 * a deep link into a native application
 
-##Why We're Doing This
+## Why We're Doing This
 The number of smart objects is going to explode, both in our homes and in public spaces. Much like the web, there is going to be a long tail of interactivity for smart objects. But the overhead of installing an app for each one just doesn’t  scale. We need a system that lets you walk up and use a device with just a tap. The Physical Web isn’t about replacing native apps; it’s about allowing interaction for the times when native apps just aren’t practical.
 
-##Open Design
+## Open Design
 The Physical Web must be an open standard that everyone can use. This can’t be a product that is locked down by a single company. Like many web specifications, this is an open source design that is being released early so everyone can experiment and comment on it. There is much to discuss and add to this specification.
 
-##Contents
+## Contents
 * [Introduction/FAQ](http://github.com/google/physical-web/blob/master/documentation/introduction.md) - Most common questions
 * [Getting started guide](http://github.com/google/physical-web/blob/master/documentation/getting_started.md) - How you can try it out
 * [Technical overview](https://github.com/google/physical-web/blob/master/documentation/technical_overview.md)