diff --git a/manual/tracy.tex b/manual/tracy.tex
index d349e577..04847b23 100644
--- a/manual/tracy.tex
+++ b/manual/tracy.tex
@@ -427,9 +427,9 @@ The following defines may be of interest:
 
 \subsection{Naming threads}
 
-Remember to set thread names for proper identification of threads. You should use the functions exposed in the \texttt{tracy/common/TracySystem.hpp} header to do so.
+Remember to set thread names for proper identification of threads. You must use the functions exposed in the \texttt{tracy/common/TracySystem.hpp} header to do so, as the system facilities typically have limited functionality.
 
-Be aware that even if you already have thread naming functionality implemented, some platforms\footnote{Basically everything, but the recent Windows releases.} do not have adequate system-level capabilities (or none at all), in which case Tracy uses its own internal thread name storage.
+If context switch capture is active, Tracy will try to capture thread names through operating system data. This is only a fallback mechanism and it shouldn't be relied upon.
 
 \subsection{Crash handling}
 \label{crashhandling}
@@ -469,6 +469,8 @@ In some cases you will want to provide your own colors to be displayed by the pr
 
 Alternatively you may use named colors predefined in \texttt{common/TracyColor.hpp} (included by \texttt{Tracy.hpp}). Visual reference: \url{https://en.wikipedia.org/wiki/X11_color_names}.
 
+Do not use \texttt{0x000000} if you want to specify black color, as zero is a special value indicating that no color was set. Instead, use a value close to zero, e.g. \texttt{0x000001}.
+
 \subsection{Marking frames}
 \label{markingframes}