README.md in prj-0.1.0 vs README.md in prj-1.0.0

@@ -12,10 +12,12 @@
 It finds a project directory (a directory with .git/ or other vcs directory inside) such that it's name
 contains supplied letters in given order. The search is scoped by projects root
 directory, which is specified in ~/.prj.yml config file (Default: ~/Projects).
 See Installation & Configuration section.
 
+*now even faster with C extension*
+
 Installation & Configuration:
 -----------------------------
 1. Install the gem:
 
    ```gem install prj```
@@ -25,11 +27,12 @@
    Don't forget to enable the plugin in ~/.zshrc
 
 3. Put a project root directory name into ~/.prj.yml, i.e:
    ```
    projects_root: ~/Projects
-   case_sensitive: false
-   vcs_directories:
+   case_sensitive: false                 # default: true
+   search_nested_repositories: false     # default: false (slower if true)
+   vcs_directories:                      # default: [.git]
      - .git
      - .svn
      - .hg
    ```