diff --git a/bip-0379.md b/bip-0379.md
index de48af2c..8241bded 100644
--- a/bip-0379.md
+++ b/bip-0379.md
@@ -191,8 +191,8 @@ The following table lists the malleability properties and requirement of each fr
| `hash160(h)` | |
| `andor(X,Y,Z)` | eX and (sX or sY or sZ) | s=sZ and (sX or sY); f=fZ and (sX or fY); e=eZ and (sX or fY)
| `and_v(X,Y)` | | s=sX or sY; f=sX or fY
-| `and_b(X,Y)` | | s=sX or sY; f=fXfY or sXfX or sYfY; e=eXeYsXsY
-| `or_b(X,Z)` | eXeZ and (sX or sZ) | s=sXsZ; e
+| `and_b(X,Y)` | | s=sX or sY; f=fXfY or sXfX or sYfY; e=eXeYsXsY
+| `or_b(X,Z)` | eX and eZ and (sX or sZ)| s=sXsZ; e
| `or_c(X,Z)` | eX and (sX or sZ) | s=sXsZ; f
| `or_d(X,Z)` | eX and (sX or sZ) | s=sXsZ; f=fZ; e=eZ
| `or_i(X,Z)` | sX or sZ | s=sXsZ; f=fXfZ; e=eXfZ or eZfX