# Identity Behaviour
-SVP64 is designed so that when the prefix is all zeros, no effect or
+SVP64 is designed so that when the prefix is all zeros, and
+ VL=1, no effect or
influence occurs (no augmentation) such that all standard OpenPOWER
v3.0/1B instructions covered by the prefix are "unaltered". This is termed `scalar identity behaviour` (based on the mathematical definition for "identity", as in, "identity matrix" or better "identity transformation").