updated README and fixed whitespace

Author: colinta

README.md

@@ -1,9 +1,7 @@
 FileDiffs Plugin
 ================
 
-Shows diffs - also in an external diff tool - between the current file, or
-selection(s) in the current file, and clipboard, another file, or unsaved
-changes.
+Shows diffs between the current file, or selection(s) in the current file, and clipboard, another file, or unsaved changes. Can be configured to show diffs in an external diff tool
 
 Help!
 -----
@@ -20,10 +18,9 @@ Installation
 Or:
 
 1. Open the Sublime Text Packages folder
-
     - OS X: ~/Library/Application Support/Sublime Text 3/Packages/
     - Windows: %APPDATA%/Sublime Text 3/Packages/
-    - Linux: ~/.Sublime Text 3/Packages/ or ~/.config/sublime-text-2/Packages
+    - Linux: ~/.Sublime Text 3/Packages/ or ~/.config/sublime-text-3/Packages
 
 2. clone this repo
 3. Install keymaps for the commands (see Example.sublime-keymap for my preferred keys)
@@ -48,10 +45,9 @@ Add External Diff Tool *(optional)*
 Commands
 --------
 
-`file_diff_menu`: Shows a menu to select one of the file_diff commands.  If you
-use the bindings in Example.sublime-keymap, this is bound to `ctrl+shift+d`.
+`file_diff_menu`: Shows a menu to select one of the file_diff commands.  If you use the bindings in Example.sublime-keymap, this is bound to `ctrl+shift+d`.
 
-The rest of the commands are not bound by default:
+The rest of the commands do not need to be bound (accessible from the menu):
 
 `file_diff_clipboard`: Shows the diff of the current file or selection(s) and the clipboard (the clipboard is considered the "new" file unless `reverse` is True)
 

file_diffs.py

@@ -74,12 +74,12 @@ def run_diff(self, a, b, from_file=None, to_file=None):
 
         try:
             file_a_exists = os.path.exists(a)
-       except ValueError:
+        except ValueError:
             file_a_exists = False
 
         try:
             file_b_exists = os.path.exists(b)
-       except ValueError:
+        except ValueError:
             file_b_exists = False
 
         if file_a_exists:

package.json

@@ -1,6 +1,6 @@
 {
   "name": "FileDiffs",
-  "description": "Shows diffs - also in an external diff tool - between the current file, or selection(s) in the current file, and clipboard, another file, or unsaved changes.",
+  "description": "Shows diffs between the current file, or selection(s) in the current file, and clipboard, another file, or unsaved changes.",
   "author": "Colin T.A. Gray (colinta), Sebastian Pape (spape), Jiri Urban (jiriurban)",
   "details": "https://github.com/colinta/SublimeFileDiffs",
   "labels": ["diff/merge"],