O anda Boston'da olmak müthiş heyecan vericiydi.
- It was tremendously exciting to be in Boston at that time.
Planında olmak istiyorum.
- I want to be in your plan.
See here what it says in Wiktionary. So, you were in the wrong about the meaning of that word.
... And if we ever get it wrong and have the wrong hashtag, ...
... on things that are going wrong. ...