[wiki:sfWebBrowserPlugin] Fixed installation instructions (closes #5819)

git-svn-id: http://svn.symfony-project.com/plugins/sfWebBrowserPlugin/trunk@18169 ee427ae8-e902-0410-961c-c3ed070cd9f9

Author: francois

README

@@ -156,12 +156,12 @@ Installation
 
 * Install the plugin
 
-        $ symfony plugin-install http://plugins.symfony-project.com/sfWebBrowserPlugin
-
+        > php symfony plugin:install sfWebBrowserPlugin  # for symfony 1.1 and 1.2
+        > php symfony plugin-install http://plugins.symfony-project.com/sfWebBrowserPlugin    # for symfony 1.0
 
 * Clear the cache to enable the autoloading to find the new class
 
-        $ symfony cc
+        > symfony cc
 
 Known limitations
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