"Of course it's right!" She was sure it was right. Romilda knew she didn't make mistakes. So, yes, it was fine. Totally fine.
Romilda grated the root over the cauldron and watched as the potion began to bubble. Hmm. That was unusual. "That smells pretty bad, doesn't it?" Romilda sniffed it a few more times and nearly gagged. That couldn't be right.
"Did I miss a step? Where's the book?" Romilda dropped the rest of the root into the potion and didn't notice that it was quickly frothing and boiling.