Update administration.rst

Author: MaxJPRey

doc/source/getting-started/administration.rst

@@ -8,7 +8,7 @@ the public release of a PyAnsys library must go through a project approval proce
 First step
 ----------
 
-.. danger:
+.. danger::
     Open-source grant users to only view the source code, but to modify, share and reuse it under specific conditions.
     It differs from making it public as anyone can use and build upon the content
     Do not commit any proprietary information belonging either to Ansys or to external sources. If you are uncertain, consult your manager.