Short answer: Standard Mac and iPhone dictation cannot correct mistakes by voice. On iPhone, tap the underlined word to pick a suggestion; on Mac, edit with the keyboard or enable Voice Control for commands like "replace X with Y." Apps with a voice edit feature let you simply speak the change.
Here is the moment everyone hits within the first week of dictating: you speak a beautiful three-sentence paragraph, one word comes out wrong, and you have no idea how to fix it without grabbing the keyboard. So you grab the keyboard. And once your hands are back on the keys, you quietly stop dictating for the rest of the day.
Correcting mistakes is the least documented part of voice typing, and it is also the part that decides whether dictation sticks for you. This guide covers what built-in dictation on Mac and iPhone can and cannot fix by voice, the correction commands that actually exist (they live in a different feature than most people expect), the fastest keyboard-free fixes on each platform, and how to stop making the same corrections over and over.
First, the Honest Part: Dictation Has No "Delete That" Command
Most people assume they can say "delete that" or "scratch that" while dictating on a Mac or iPhone. They cannot. Say "delete that" during a standard dictation session and the words delete that get typed into your document, which is somehow more demoralizing than the original mistake.
The confusion is understandable. Apple ships two separate voice features, and only one of them takes commands:
- Dictation converts speech to text. It understands spoken punctuation ("comma", "new paragraph") and capitalization commands, but it has no editing vocabulary. It writes; it does not revise.
- Voice Control is a full accessibility feature that operates the entire device by voice. It is the feature that actually understands "delete that", "undo that", and "replace X with Y" but it must be enabled separately and it changes how your whole system listens.
Once you know the split, the correction question becomes three separate questions: what can I fix mid-dictation, what can I fix right after, and how do I prevent the mistake next time? Let us take them in order.
Correcting Mistakes on iPhone
1. Tap the underlined word
When iPhone dictation is unsure about a word, it underlines it in blue. Tap the underlined word and iOS shows alternative interpretations; tap the right one and the fix is done. This is the fastest built-in correction on iPhone, and it only works for a short window after you dictate, so use it before you keep talking.
The limitation: iOS only underlines words it knows it might have gotten wrong. A confident mistake (a homophone, a mangled name) gets no underline and no suggestions.
2. Select the wrong text and dictate over it
This is the most useful iPhone correction technique and almost nobody knows it. Double-tap the wrong word (or drag to select a phrase), then start dictation again and speak the replacement. The dictated text replaces the selection. For a single wrong word, this is: double-tap, mic, say the word. Two seconds, no typing.
It works because dictation always inserts at the cursor, and a selection counts as the insertion point. The same trick fixes a whole botched sentence: select the sentence, re-dictate it.
3. Reposition the cursor and patch
For a missing word, press and hold the space bar to turn the keyboard into a trackpad, glide the cursor to the gap, then dictate the missing word. Combined with the select-and-redictate trick, you can repair almost anything without typing a character.
4. Undo when everything went wrong
If dictation misheard an entire passage, do not fix it word by word. Swipe left with three fingers (or shake the phone, if you still have shake-to-undo enabled) to undo the whole insertion, then re-dictate the passage in a quieter moment. Re-speaking a sentence is almost always faster than surgically editing it.
Correcting Mistakes on Mac
1. Keep your finger on the trigger, fix with the keyboard
Built-in macOS dictation offers no tap-to-fix suggestions and no editing commands, so the honest answer for quick fixes is the keyboard: Option+Delete removes the last word, Cmd+Z undoes the last insertion. If you dictate hands-on-keyboard (most Mac users do), a wrong word costs you one Option+Delete and a re-speak.
The rhythm that works: dictate a full thought, glance at the result, fix while the context is fresh, continue. Do not dictate three paragraphs and then go hunting for errors; short cycles catch mistakes while you still remember what you actually said.
2. Enable Voice Control for true voice editing
If you need genuinely hands-free correction on a Mac (RSI, injury, accessibility), Voice Control is the built-in answer. Turn it on in System Settings → Accessibility → Voice Control, and you get a real editing vocabulary:
- "Delete that" removes what you just dictated
- "Undo that" reverses the last action
- "Select [word or phrase]" highlights text by saying it
- "Replace [phrase] with [phrase]" swaps text in one command
- "Correct that" offers alternatives for the last thing you said
- "Move to end of sentence" and similar cursor commands
Two caveats. First, Voice Control and regular dictation do not run well together; running both causes the conflicts we covered in our guide to fixing the Voice Control and dictation conflict. Pick one mode at a time. Second, Voice Control listens continuously and treats your speech as potential commands, which makes it powerful for hands-free operation but noticeably slower for pure writing. Most people who just want fast text find full-time Voice Control heavy for everyday dictation.
3. Re-speak instead of repairing
The same rule as iPhone applies doubly on Mac: if a sentence came out badly, select it and dictate it again. Speech is cheap. You produce 130 to 150 words per minute by talking, so re-speaking a 20-word sentence costs about eight seconds, usually less than any editing maneuver.
The Correction Workflow That Actually Works
After watching how experienced dictation users work, the pattern is consistent. They do not fix mistakes mid-flow. They use a two-pass workflow:
- Pass one: talk. Dictate the whole email, note, or section without stopping to fix anything. Interrupting yourself to repair a word destroys the train of thought that makes dictation fast in the first place.
- Pass two: sweep. Read the result once, fix errors in a batch using the techniques above, and move on.
This matters because mistakes cluster. If the room is noisy or you are speaking in fragments, you will get several errors in a row, and batch-fixing them takes a fraction of the time of stop-start correction. It also keeps you honest about how many corrections you are making, which is the number that tells you whether something upstream is wrong.
Making Fewer Mistakes in the First Place
If you are correcting more than a couple of words per paragraph, stop optimizing your correction technique and fix the cause. In order of impact:
- Speak in complete phrases, not word... by... word. Dictation uses surrounding words to decide between similar-sounding options. Isolated words remove the context it needs, which produces the exact errors you are then stuck correcting. Our guide to dictation accuracy tips covers this in depth.
- Check your language variant. US English ears listening to UK, Indian, or Australian English produce systematic misrecognitions that no amount of careful speaking fixes.
- Get the mic closer. Distance is the cheapest accuracy upgrade there is; halving the distance to the microphone beats buying a better one.
- Feed it your proper nouns. Names of people, products, and projects are the most common repeat offenders because they are rare words that lose out to common lookalikes.
That last point deserves its own section, because it is the one class of error that correction techniques cannot solve.
The Mistakes That Keep Coming Back
Here is the frustrating truth about built-in dictation: it does not learn from your corrections. You can fix "Kiran" being transcribed as "Karen" fifty times, and on the fifty-first dictation it will type "Karen" again. Every correction you make is thrown away. The system has no memory of you.
This is where a dedicated dictation app earns its keep. Voice Keyboard Pro approaches corrections from both ends:
On Mac, Smart Vocabulary acts as a personal dictionary with replacement rules. Add the names, jargon, and terms you actually use, and define rules like "when I say this, write that." The recurring correction disappears instead of recurring. You hold a hotkey, speak, release, and the text appears at your cursor in any app, already using your vocabulary. It pairs naturally with the spoken formatting commands we covered in how to dictate capital letters and how to dictate quotation marks and special characters.
On iPhone, the keyboard includes Voice Edit, which is the feature this entire article has been circling: you speak the change you want. Dictated a sentence with a wrong name? Say the fix, and Voice Edit applies it to your text. No selecting, no cursor-gliding, no retyping. It turns correction from a manual editing task into one more sentence of speech, which is how voice editing should have worked all along.
Voice Keyboard Pro has a free tier with daily limits, so you can test whether spoken corrections change how long you stay off the keyboard. Pro is $4.99 a month or $34.99 a year. And since dictation only works if you trust it with your words: the server stores only operational pings, never audio and never transcript content.
What About Punctuation and Formatting Fixes?
Not every "mistake" is a misheard word. A large share of dictation cleanup is formatting: a missing comma, a paragraph break that never happened, a sentence that should have been capitalized. These are worth separating from recognition errors, because they are not errors at all; they are commands you did not give.
Built-in dictation only punctuates and formats what you explicitly speak. If you did not say "comma", there is no comma to correct. Before blaming accuracy, make sure the instruction was actually issued: say "period" and "new paragraph" out loud, use "caps" before a word that needs capitalizing, and speak "open quote" and "close quote" around quoted material. We keep a full command list in our Mac dictation commands reference, and once those commands are habit, a surprising fraction of your correction pass simply disappears.
The remaining formatting fixes follow the same rules as word fixes: for a missing punctuation mark, place the cursor and type the one character (faster than any voice maneuver); for a paragraph that should have been two, select from the break point and re-dictate with "new paragraph" where you want it. And if you find yourself always adding the same formatting (say, a sign-off line or a formatted date), that is a replacement rule waiting to be created, not a correction to keep repeating.
Quick Reference: What Fixes What
- One fuzzy word on iPhone → tap the blue underline, pick the suggestion
- One confident wrong word → select it, dictate the replacement over it
- A missing word → move the cursor to the gap, dictate the word
- A ruined sentence → select the sentence, re-speak it
- A ruined paragraph → undo the insertion, re-dictate when it is quieter
- Hands-free editing on Mac → Voice Control ("replace X with Y", "delete that")
- The same wrong name every time → a personal dictionary, because built-in dictation never learns
- Any fix on iPhone with Voice Keyboard Pro → Voice Edit: just say the change
Frequently Asked Questions
Can I say "scratch that" while dictating on Mac or iPhone?
No. Standard dictation has no editing commands, and "scratch that" will be typed as text. Voice-command editing on Apple platforms lives in Voice Control, a separate accessibility feature. Some dedicated dictation apps offer spoken editing directly; on iPhone, Voice Keyboard Pro's Voice Edit lets you speak a change and have it applied.
Why does dictation keep making the same mistake?
Built-in dictation does not learn from corrections, so a rare word (usually a name) loses to a common-sounding alternative every single time. The fix is vocabulary, not technique: add the word to Contacts, a text replacement, or a personal dictionary like Smart Vocabulary.
Is it faster to fix mistakes or re-dictate the sentence?
For anything longer than one word, re-dictating usually wins. Speech runs at 130 to 150 words per minute, so re-speaking a full sentence takes seconds, while precision editing (selecting, positioning, retyping) is exactly the slow manual work dictation was meant to replace.
Does correcting a word teach dictation the right answer?
On built-in Mac and iPhone dictation, no; the correction is discarded. If you want a system that respects your corrections, you need a dictation app with a personal dictionary, where you define the term once and it is used from then on.
Correction is the unglamorous half of dictation, but it is the half that determines whether you keep dictating. Learn the two-second fixes, batch your edits into one sweep, and move your recurring errors into a vocabulary that remembers you. Once fixing a mistake costs less than typing the sentence would have, the keyboard stops winning arguments.