Original: To leave the drawing mode, tap
- Is it a complete sentence? No. Right now it is a fragment because the verb "tap" needs an object (what should you tap?).
- Verb and subject: The verb "tap" is correct for an instruction. In commands (imperatives) the subject "you" is understood and not written.
- Comma use: The comma after the introductory phrase "To leave the drawing mode" is acceptable. With short introductory phrases you can sometimes skip the comma, but including it is fine for clarity.
- What to fix: Add the thing to tap and a final period. For example, name a button or a place to tap.
Corrected examples:
- To leave drawing mode, tap Done.
- To leave the drawing mode, tap the Done button.
- To leave the drawing mode, tap anywhere outside the canvas.
- (Alternative imperative style) Tap Done to leave drawing mode.
Quick suggestion: If you want the clearest instruction, use an imperative form: Tap Done to leave drawing mode. This is short and direct.
If you want, tell me what the button or control is called in your app (for example, 'Done' or 'Back') and I will give the exact sentence to use.