Minor documentation and formatting corrections.

Author: emanlove

src/Selenium2Library/__init__.py

@@ -34,12 +34,12 @@ class Selenium2Library(
     `Open Browser` keyword must be used to open a browser to the desired location.
 
     **--- Note important change starting with Version 1.7.0 release ---**
-    *Locating or specifying elements*
+    = Locating or specifying elements =
 
     All keywords in Selenium2Library that need to find an element on the page
-    take an argument, either a `locator` or now a 'webelement'. 'locator'
+    take an argument, either a `locator` or now a `webelement`. `locator`
     is a string that describes how to locate an element using a syntax
-    specifying different location strategies. 'webelement' is a variable that
+    specifying different location strategies. `webelement` is a variable that
     holds a WebElement instance, which is a representation of the element.
 
     Using 'locator'