diff --git a/manual/tracy.tex b/manual/tracy.tex
index 57fc5b08..02abefcf 100644
--- a/manual/tracy.tex
+++ b/manual/tracy.tex
@@ -428,6 +428,7 @@ When using Tracy Profiler, keep in mind the following requirements:
 \item Each lock may be used in no more than 64 unique threads.
 \item There can be no more than 65534 unique source locations\footnote{A source location is a place in the code, which is identified by source file name and line number, for example when you markup a zone.}. This number is further split in half between native code source locations and dynamic source locations (for example, when Lua instrumentation is used).
 \item Profiling session cannot be longer than 1.6 days ($2^{47}$ \si{\nano\second}). This also includes on-demand sessions.
+\item No more than 4 billion ($2^{32}$) memory free events may be recorded.
 \end{itemize}
 
 \subsection{Check your environment}