Amending it or creating an amendment to it.
The British constitution is 'unwritten'. It is a collection of laws, conventions and case law. There is no codified constitution as there is for example, in the USA.
You call it "modulation".
I would call it "no change".
An amandment.
amendment
An amandment.
Just call the airport and ask them to change your flight.
This physical change is called freezing.
The change from a liquid to a gas is evaporation.
the change of the Constitution is an amendment
You have to change your NAT type through your router. Call your internet provider for instructions
You call Dr. Laura; but it has to WANT to change.