--- a/UI/Previewers/PreviewerHTML.py	Mon Oct 16 20:18:04 2017 +0200
+++ b/UI/Previewers/PreviewerHTML.py	Tue Oct 17 19:40:32 2017 +0200
@@ -673,9 +673,9 @@
             import markdown     # __IGNORE_EXCEPTION__
         except ImportError:
             return self.tr(
-                """<p>Markdown preview requires the <b>python-markdown</b> """
+                """<p>Markdown preview requires the <b>Markdown</b> """
                 """package.<br/>Install it with your package manager,"""
-                """ 'pip install docutils' or see """
+                """ 'pip install Markdown' or see """
                 """<a href="http://pythonhosted.org/Markdown/install.html">"""
                 """installation instructions.</a></p>""")
         
@@ -700,9 +700,8 @@
                 Class is placed here, because it depends on imported markdown,
                 and markdown import is lazy.
                 
-                (see http://achinghead.com/
-                python-markdown-adding-insert-delete.html this page for
-                details)
+                (see https://pythonhosted.org/Markdown/extensions/api.html
+                this page for details)
                 """
                 DEL_RE = r'(~~)(.*?)~~'