diff --git a/cst311/lec/.lec9.md.swp b/cst311/lec/.lec9.md.swp
index 036fa63..79eadfe 100644
Binary files a/cst311/lec/.lec9.md.swp and b/cst311/lec/.lec9.md.swp differ
diff --git a/cst311/lec/lec9.md b/cst311/lec/lec9.md
index f666afa..dff5354 100644
--- a/cst311/lec/lec9.md
+++ b/cst311/lec/lec9.md
@@ -21,7 +21,7 @@ Note that this syntax is simlar to multiplication so `a*b` is equivalent to the
 `!a` is equivalent to saying not `a`.
 We can also denote it with a bar over the expression we want to _not_.
 
-![Figure-Not](../img/fig-not.png)
+![Figure-Not](../img/not.png)
 
 ## Decoders