diff --git a/manual/tracy.tex b/manual/tracy.tex
index da8a1941..cc64ab9e 100644
--- a/manual/tracy.tex
+++ b/manual/tracy.tex
@@ -1863,6 +1863,8 @@ By default the displayed times are inclusive, that is, they contain execution ti
 
 Clicking the \LMB{} left mouse button on a zone will open the individual zone statistics view in the find zone window (section~\ref{findzone}).
 
+You can filter the displayed list of zones by matching the zone name to the expression in the \emph{Filter zones} entry field. Refer to section~\ref{messages} for a more detailed description of the expression syntax.
+
 \subsection{Find zone window}
 \label{findzone}