README.md in jekyll-theme-open-project-1.2.4 vs README.md in jekyll-theme-open-project-1.2.5

@@ -203,20 +203,24 @@
 ---
 excerpt: >-
   Post excerpt goes here, and supports inline formatting only.
 
 author:
-  email: <author’s email; associated Gravatar will be shown>
+  email: <author’s email, required>
+  use_picture: <`gravatar` (default), `assets`, an image path relative to assets/, or `no`>
   name: <author’s full name>
   social_links:
     - https://twitter.com/username
     - https://facebook.com/username
     - https://linkedin.com/in/username
 ---
 ```
 
 For hub-wide posts, put posts under _posts/ in site root and name files e.g.
 `2018-04-20-welcome-to-jekyll.markdown` (no change from the usual Jekyll setup).
+
+If ``use_picture`` is set to "assets", author photo would be expected to
+reside under assets/blog/authors/<author email>.jpg.
 
 For project posts, see below the project site section.
 
 
 ## Hub site