diff --git a/2118-2128.tex b/2118-2128.tex
index b34e695..a19866d 100644
--- a/2118-2128.tex
+++ b/2118-2128.tex
@@ -359,7 +359,7 @@ and the isolator IC (SI8651BB-B-IS1\footnote{\label{isolator}https://www.skywork
     High-level input voltage\repeatfootnote{transceiver} & $V_{IH}$ & 2 &  & 5.5 & V & termination disabled \\
      & & 2 &  & 5 & V & termination enabled \\
     \hline
-    Low-level input voltage\repeatfootnote{transceiver} & $V_{IL}$ & & & 0.8 & V & \\
+    Low-level input voltage\repeatfootnote{transceiver} & $V_{IL}$ & -0.5 & & 0.8 & V & \\
     \hline
     Input clamp current\repeatfootnote{transceiver} & $I_{OH}$ & & & -18 & mA & termination disabled \\
     \hline