diff --git a/manual/tracy.tex b/manual/tracy.tex
index 64989ae1..1574f734 100644
--- a/manual/tracy.tex
+++ b/manual/tracy.tex
@@ -1043,6 +1043,8 @@ Mutual exclusion zones are displayed in each thread that tries to acquire them.
 \item \emph{Red region} -- The thread wants to acquire the lock, but is blocked by other thread, or threads in case of shared lock.
 \end{itemize}
 
+Hovering the \faMousePointer{}~mouse pointer over a lock event will display important information, for example a list of threads that are currently blocking, or which are blocked by the lock. Clicking the \LMB{}~left mouse button on a lock event or a lock label will open the lock information window. Clicking the \MMB{}~middle mouse button on a lock event will zoom the view to the extent of the event.
+
 \subparagraph{Plots}
 
 The numerical data values (figure~\ref{plot}) are plotted right below the zones and locks. Note that the minimum and maximum values currently displayed on the plot are visible on the screen, along with the y range of the plot. The discrete data points are indicated with little rectangles. Multiple data points are indicated by a filled rectangle.