diff --git a/2118-2128.tex b/2118-2128.tex
index cdef178..fd8152d 100644
--- a/2118-2128.tex
+++ b/2118-2128.tex
@@ -458,7 +458,7 @@ IO direction switches partly decides the IO direction of each bank.
     \item Closed switch (ON) \\
           Fix the corresponding bank to output. The direction cannot be changed by I\textsuperscript{2}C.
     \item Opened switch (OFF) \\
-          Leave the direction configurable by I\textsuperscript{2}C.
+          Switch to input mode. The direction is input by default. Configurable by I\textsuperscript{2}C.
 \end{itemize}
 
 \begin{figure}[hbt!]
diff --git a/2238.tex b/2238.tex
index 1dc445f..1d5be37 100644
--- a/2238.tex
+++ b/2238.tex
@@ -544,7 +544,7 @@ IO direction switches partly decides the IO direction of each bank.
     \item Closed switch (ON) \\
           Fix the corresponding bank to output. The direction cannot be changed by I\textsuperscript{2}C.
     \item Opened switch (OFF) \\
-          Leave the direction configurable by I\textsuperscript{2}C.
+          Switch to input mode. The direction is input by default. Configurable by I\textsuperscript{2}C.
 \end{itemize}
 \columnbreak
 \begin{center}
diff --git a/2245.tex b/2245.tex
index 8ab0d7e..ca301fa 100644
--- a/2245.tex
+++ b/2245.tex
@@ -449,7 +449,7 @@ IO direction switches partly decides the IO direction of each bank.
     \item Closed switch (ON) \\
           Fix the corresponding channel to output. The direction cannot be changed by I\textsuperscript{2}C.
     \item Opened switch (OFF) \\
-          Leave the direction configurable by I\textsuperscript{2}C.
+          Switch to input mode. The direction is input by default. Configurable by I\textsuperscript{2}C.
 \end{itemize}
 \columnbreak
 \begin{center}