Small API documentation update.

Author: orbitalquark

README.md

@@ -14,7 +14,7 @@ There will be a "File > Export" menu.
 <a id="export.browser"></a>
 ## `export.browser`
 
-Command used to open in the user's default web browser exported HTML files.
+Command used to open exported HTML files in the user's default web browser.
 
 <a id="export.line_numbers"></a>
 ## `export.line_numbers`

init.lua

@@ -12,7 +12,7 @@
 -- @module export
 local M = {}
 
---- Command used to open in the user's default web browser exported HTML files.
+--- Command used to open exported HTML files in the user's default web browser.
 M.browser = WIN32 and 'start ""' or OSX and 'open' or LINUX and 'xdg-open'
 
 --- Show line numbers in exported output.