Short journal · Original editorial · Observation before explanation
One person misreads a step in a guide.
An explanation should not erase the observation that prompted it. Record what happened, under which conditions, and what you still do not know. A plausible interpretation can remain a hypothesis while you decide what would help distinguish it from alternatives.
Use the misunderstanding as a question to investigate with other readers.
A short note can preserve what happened: the setting, the change, and one observation. Avoid claiming more than the attempt showed.
Try a question
What would you notice after trying this in one small, real situation?