[docs] tweak the site a bit

README.md

@@ -11,10 +11,8 @@ _This is the source repository for **lnav**, visit [https://lnav.org](https://ln
 
 # LNAV -- The Logfile Navigator
 
-The Log File Navigator, **lnav** for short, is an advanced log file viewer
+The Log File Navigator, **lnav** for short, is a log file viewer for
-for the small-scale.  It is a terminal application that can understand
+the terminal.
-your log files and make it easy for you to find problems with little to
-no setup.
 
 ## Screenshot
 

docs/index.markdown

@@ -11,11 +11,11 @@ layout: top
 style="float: right; max-width: 50%"}
 
 <div id="top-description">
-An advanced log file viewer for the small-scale
+A log file viewer for the terminal
 </div>
 
 <div id="intro">
-<p>Watch and analyze your log files from a terminal.</p>
+<p>Merge, tail, search, filter, and query log files with ease.</p>
 
 <p>No server. No setup. Still featureful.</p>