diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index fb94c04835..393608c93a 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -32562,6 +32562,8 @@ Thesaurus
 dictionaries
 \family default
 ) and restart LyX.
+ If this path is not defined yet, you can use a dictionary of your choice
+ and point LyX there.
 \end_layout
 
 \begin_layout Standard