diff --git a/src/Doc/mainpage.dox.in b/src/Doc/mainpage.dox.in
index ab5465e46d..12842183ac 100644
--- a/src/Doc/mainpage.dox.in
+++ b/src/Doc/mainpage.dox.in
@@ -26,27 +26,27 @@
 
     \mainpage FreeCAD source documentation
 
-    This is the source documentation of <a href=http://www.freecadweb.org>FreeCAD</a>. 
+    This is the source documentation of <a href=https://www.freecadweb.org>FreeCAD</a>. 
     It is automatically generated from the source code, and describes the different 
     components of the FreeCAD source code, for both the parts written in C++ and Python. 
     
     For general help and documentation about the FreeCAD application and how to use it, head
-    first to the <a href=http//www.freecadweb.org/wiki>Wiki Documentation</a>.
+    first to the <a href=https://www.freecadweb.org/wiki>Wiki Documentation</a>.
     
     Refer to the
-    <a href=http://www.freecadweb.org/wiki/The_FreeCAD_source_code>general 
+    <a href=https://www.freecadweb.org/wiki/The_FreeCAD_source_code>general 
     introduction to the FreeCAD source code</a> page for a broad view of how the source
     code is organized, and browse the modules, classes and namespaces from the menu above.
     
-    The <a href=http://www.freecadweb.org/wiki/Developer_hub>Developers section</a>
+    The <a href=https://www.freecadweb.org/wiki/Developer_hub>Developers section</a>
     of the wiki also contains additional information for developers, and the 
-    <a href=http://www.freecadweb.org/wiki/Power_users_hub>Powerusers / python scripting
+    <a href=https://www.freecadweb.org/wiki/Power_users_hub>Powerusers / python scripting
     section</a> contains coding documentation that is specifically aimed at python scripting, but
     that will also be useful to C++ coders, as most of the APIs are identical or very similar.
     
     For space reasons, this on-line version doesn't include the source code headers nor the full
     inheritance graphics. But you can build a full version yourself with everything included, 
-    as explained in <a href=http://freecadweb.org/wiki/Source_documentation>building
+    as explained in <a href=https://freecadweb.org/wiki/Source_documentation>building
     the source code documentation</a>. You can also browse through the <a href=https://github.com/FreeCAD/FreeCAD>source
     code on github</a>.
 
@@ -68,13 +68,13 @@
     utility to browse through the sources.
     
     If you seek information on FreeCAD at large, please consult our
-    <a href="http://www.freecadweb.org/wiki/Main_Page">Wiki</a>
+    <a href="https://www.freecadweb.org/wiki/Main_Page">Wiki</a>
     
     FreeCAD being a fast moving target, don't hesitate to rebuild an up to
     date doc from source as often as needed (\ref makingdocs "more info"). CPU cycles are cheap
     nowadays! 
     
-    The homepage of FreeCAD is <a href="http://www.freecadweb.org">here</a>.
+    The homepage of FreeCAD is <a href="https://www.freecadweb.org">here</a>.
   
   \endif