Also update og:description per the matrix

pegasus/sites.v3/code.org/public/index.haml

@@ -2,14 +2,15 @@
 <%
   hoc = DCDO.get('soon-hoc', false) || DCDO.get('actual-hoc', false)
   share_image = hoc ? 'celeb-challenge.jpg' : 'default-og-image.jpg'
+  description = hoc ? I18n.t(:og_description_celeb) : I18n.t(:og_description)
 %>
 theme: responsive_wide
 banner: null
 layout: wide
 video_player: true
 social:
   "og:title": "<%= I18n.t(:og_title) %>"
-  "og:description": "<%= I18n.t(:og_description)%>"
+  "og:description": "<%= description %>"
   "og:image" : "<%= 'https://' + request.host + '/images/fit-1220/social-media/' + share_image %>"
   "og:image:width": '1220'
   "og:image:height": '640'
@@ -18,7 +19,7 @@ social:
   "twitter:site": "@codeorg"
   "twitter:url": "https://code.org/"
   "twitter:title": "<%= I18n.t(:og_title) %>"
-  "twitter:description": "<%= I18n.t(:og_description)%>"
+  "twitter:description": "<%= description %>"
 critical_font: true
 jquery: defer
 style_min: true

pegasus/sites.v3/csedweek.org/public/index.haml

@@ -1,9 +1,14 @@
 ---
+<%
+  description = I18n.t(:csedweek_og_description)
+  description = I18n.t(:csedweek_og_description_soon) if DCDO.get('soon-hoc', false)
+  description = I18n.t(:csedweek_og_description_here) if DCDO.get('actual-hoc', false)
+%>
 theme: responsive
 banner: null
 social:
   "og:title": "<%= I18n.t(:csedweek_og_title) %>"
-  "og:description": "<%= I18n.t(:csedweek_og_description)%>"
+  "og:description": "<%= description %>"
   "og:image": "https://<%=request.host%>/images/cs-is-everything-thumbnail.png"
   "og:image:width": "1200"
   "og:image:height": "627"
@@ -16,7 +21,7 @@ social:
   "twitter:site": "@codeorg"
   "twitter:url": "https://csedweek.org/"
   "twitter:title": "<%= I18n.t(:csedweek_og_title) %>"
-  "twitter:description": "<%= I18n.t(:csedweek_og_description)%>"
+  "twitter:description": "<%= description %>"
   "twitter:image:src": "https://<%=request.host%>/images/cs-is-everything-thumbnail.png"
   "twitter:player": "https://youtube.com/embed/QvyTEx1wyOY"
   "twitter:player:width": "640"