diff --git a/_layouts/post.html b/_layouts/post.html
index 1eb6331..51c52d3 100644
--- a/_layouts/post.html
+++ b/_layouts/post.html
@@ -7,18 +7,20 @@ layout: default
{{ page.title | escape }}
{%- assign date_format = site.minima.date_format | default: "%b %-d, %Y" -%}
-
- {%- if page.modified_date -%}
- ~
- {%- assign mdate = page.modified_date | date_to_xmlschema -%}
-
+
+ {%- if page.last_modified_at -%}
+ {%- assign mdate = page.last_modified_at | date_to_xmlschema -%}
+
{%- endif -%}
+
{%- if page.author -%}
- Author(s): {% for author in page.author -%}
+ {% for author in page.author -%}{%- assign author_count = author_count | plus: 1 -%}{% endfor %}
+ {%- if author_count==1 -%}
+ Author
+ {%- else -%}
+ Authors
+ {%- endif -%}
+ : {% for author in page.author -%}
{{ author }}
{%- if forloop.last == false %}, {% endif -%}
{% endfor %}