diff --git a/cst337/lec/lec9.md b/cst337/lec/lec9.md
index 96c38c8..121b23c 100644
--- a/cst337/lec/lec9.md
+++ b/cst337/lec/lec9.md
@@ -62,7 +62,7 @@ It takes a signal as `2^n` inputs and out puts out `n` signals as output.
 Example: We have a selector(s0), two inputs[in0 & in1], and one output `out`. 
 The selector will select an input and we will generate some output in `out`.
 
-|s0 | i0 | i1 | out|
+|s0 | i1 | i0 | out|
 |---|---|---|---|
 |0  | 0  | 0  | 0|
 |0  | 0  | 1  | 1|