This is the 288th most frequent Afrikaans word.
verander
Change.
The word 'verander' is used here as a verb in past tense ('het verander'), signifying an action of change that the speaker performed on the plan.
Ek het die plan verander om dit beter te maak.
I changed the plan to make it better.
In this sentence, 'verander' denotes a potential action that can naturally happen, linked with the modal verb 'kan' indicating possibility.
Die weer kan skielik verander in hierdie seisoen.
The weather can change suddenly during this season.
Here, 'verander' describes a general process of change or transformation that occurs over time.