diff --git a/src/doc/en/installation/source.rst b/src/doc/en/installation/source.rst
index be70b69b5e2..39ccff55e52 100644
--- a/src/doc/en/installation/source.rst
+++ b/src/doc/en/installation/source.rst
@@ -356,8 +356,8 @@ it necessary to build Sage on Cygwin.
 
 .. WARNING::
 
-   As of Sage 9.7, `known issues with several packages
-   <https://trac.sagemath.org/query?status=closed&status=needs_info&status=needs_review&status=needs_work&status=new&status=positive_review&component=porting%3A+Cygwin&milestone=sage-9.8&milestone=sage-9.7&milestone=sage-9.6&milestone=sage-9.5&milestone=sage-9.4&milestone=sage-9.3&milestone=sage-9.2&milestone=sage-9.1&col=id&col=summary&col=milestone&col=status&col=priority&col=changetime&col=author&col=reviewer&desc=1&order=changetime>_
+   As of Sage 9.7, :trac:`known issues with several packages
+   <query?status=closed&status=needs_info&status=needs_review&status=needs_work&status=new&status=positive_review&component=porting%3A+Cygwin&milestone=sage-9.8&milestone=sage-9.7&milestone=sage-9.6&milestone=sage-9.5&milestone=sage-9.4&milestone=sage-9.3&milestone=sage-9.2&milestone=sage-9.1&col=id&col=summary&col=milestone&col=status&col=priority&col=changetime&col=author&col=reviewer&desc=1&order=changetime>`
    will prevent a successful installation. Users need to be prepared
    to contribute to Sage by fixing these issues.