diff --git a/manual/tracy.tex b/manual/tracy.tex
index cab66a04..4f022b6a 100644
--- a/manual/tracy.tex
+++ b/manual/tracy.tex
@@ -1587,7 +1587,7 @@ On this combined view you will find the zones with locks and their associated th
 The left hand side \emph{index area} of the timeline view displays various labels (threads, locks), which can be categorized in the following way:
 
 \begin{itemize}
-\item \emph{Light blue label} -- OpenGL/Vulkan context.
+\item \emph{Light blue label} -- OpenGL/Vulkan context. Multi-threaded Vulkan contexts are additionally split into separate threads.
 \item \emph{Pink label} -- CPU data graph.
 \item \emph{White label} -- A CPU thread. Will be replaced by a bright red label in a thread that has crashed (section~\ref{crashhandling}).
 \item \emph{Light red label} -- Indicates a lock.