Fix warning in texinfo

Signed-off-by: ng0 <ng0@n0.is>

diff --git a/doc/handbook/chapters/installation.texi b/doc/handbook/chapters/installation.texi
index fc580bdb7b27b0b72a6e72dae8e59d8f896b1b07..c41c7c7db7d5262071ea2c7b257937185eccca4b 100644 (file)
--- a/doc/handbook/chapters/installation.texi
+++ b/doc/handbook/chapters/installation.texi
@@ -1731,7 +1731,7 @@ The advantage of using a virtual environment is, that all the dependencies can
 be installed separately in different versions without touching your system
 Python installation and its dependencies.
 
-@xref{Migrating an existing DNS zone into GNS} for usage manual of the tool.
+@xref{Migrating an existing DNS zone into GNS}, for usage manual of the tool.
 
 @node Configuring the GNUnet VPN
 @subsection Configuring the GNUnet VPN