[css-page-floats] add work status

Author: johanneswilm

css-page-floats/Overview.bs

@@ -5,7 +5,7 @@ Shortname: css-page-floats
 Level: 3
 Group: csswg
 Status: ED
-!Work Status: Exploring
+Work Status: Exploring
 ED: http://dev.w3.org/csswg/css-page-floats/
 Previous Version: https://hg.csswg.org/drafts/raw-file/108d7e3ff204/css-page-floats/Overview.html
 Editor: Johannes Wilm, Vivliostyle, johanneswilm@vivliostyle.com
@@ -1071,7 +1071,7 @@ p { float-reference: page; float: top; float-defer: last }
   <ol>
     <li>
       Added info on variably sized float references and deferring beyond the last
-      fragmentation container.  
+      fragmentation container.
     <li>
       Specified that block-start and block-end floats have an initial inline size
       of 100% and are placed at the inline-start.