Remove unnecessary spaces and correct typos in README.md

README.md

@@ -2,7 +2,7 @@
 
 [UIAutomator](http://developer.android.com/tools/testing/testing_ui.html) is a
 great tool to perform Android UI testing, but to do it, you have to write java
-code, compile it, install the jar, and run. It's a complex steps for all
+code, compile it, install the jar, and run. It's a complex step for all
 testers...
 
 This project is to build a light weight jsonrpc server in Android device, so
@@ -12,13 +12,13 @@ that we can just write PC side script to write UIAutomator tests.
 
 - Run command:
 
-        $ ./gradlew build
-        $ ./gradlew packageDebugAndroidTest
+      $ ./gradlew build
+      $ ./gradlew packageDebugAndroidTest
 
-- Run the jsonrcp server on Android device
+- Run the jsonrpc server on Android device
 
-        $ ./gradlew cC
-        $ adb forward tcp:9008 tcp:9008 # tcp forward
+      $ ./gradlew cC
+      $ adb forward tcp:9008 tcp:9008 # tcp forward
 
 # How to use