Fix README.md (#473)

Author: Knogobert

README.md

@@ -173,8 +173,8 @@ The Chunk Context Menu can be opened by right-clicking or `Ctrl`-clicking on a s
 
 It happens when `webpack-bundle-analyzer` analyzes files that don't actually exist in your file system, for example when you work with `webpack-dev-server` that keeps all the files in RAM. If you use `webpack-bundle-analyzer` as a plugin you won't get any errors, however if you run it via CLI you get the error message in terminal:
 ```
-Couldn't parse bundle asset "your_bundle_name.bundle.js".
-Analyzer will use module sizes from stats file.
+Error parsing bundle asset "your_bundle_name.bundle.js": no such file
+No bundles were parsed. Analyzer will show only original module sizes from stats file.
 ```
 To get more information about it you can read [issue #147](https://github.com/webpack-contrib/webpack-bundle-analyzer/issues/147).