diff --git a/4410-4412.tex b/4410-4412.tex
index 314994b..4877eef 100644
--- a/4410-4412.tex
+++ b/4410-4412.tex
@@ -911,7 +911,7 @@ Next, setup the PI control as an IIR filter. It has -1 proportional gain $k_p$ a
 \end{minted}
 
 Then, configure the DDS frequency to 10 MHz with 3V input offset.
-At input offset voltage, the DDS output amplitude is 0.
+When input voltage $\geq$ offset voltage, the DDS output amplitude is 0.
 
 \begin{minted}{python}
     self.channel.set_dds(