alteration · noun C or U /ˌɔːl.təˈreɪ.ʃən/Full view
C1 a change, or the process of changing something
Dictionary example:

We've made a few alterations to the kitchen.

Learner example:

I hope that my alterations don't give you too much trouble, but I really think that these changes are necessary for full satisfaction among our members. (Certificate in Advanced English; C1; Swedish)

Cambridge logo