1 files changed, 2 insertions, 1 deletions
diff --git a/src/c.tex b/src/c.tex
index f020189..1a308d2 100644
--- a/src/c.tex
+++ b/src/c.tex
@@ -1099,7 +1099,8 @@ C.NOP & 0 & 0 & 0 & C1 \\
 \end{center}
 
 C.NOP is a CI-format instruction that does not change any user-visible state,
-except for advancing the {\tt pc}.  C.NOP expands to {\tt nop}.
+except for advancing the {\tt pc} and incrementing any applicable performance
+counters.  C.NOP expands to {\tt nop}.
 
 \subsection*{Breakpoint Instruction}
 \vspace{-0.4in}