Comma Rules Everyone Gets Wrong (and How to Fix Them)

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1. 19 July 2026 · corrected by Emir Baycan

   The article cites a specific '2022 study by the editorial services firm Grammarly' that supposedly 'analyzed 6.3 million professional documents' and produced a ranked table of the ten most common comm

   Before

   A 2022 study by the editorial services firm Grammarly analyzed 6.3 million professional documents and ranked the most frequent punctuation errors flagged by human editors. The top ten were:

   After

   Editors and writing coaches consistently report that a small number of comma errors account for a disproportionate share of the mistakes they flag. Ten of the most frequent patterns are:

   Why: The article cites a specific '2022 study by the editorial services firm Grammarly' that supposedly 'analyzed 6.3 million professional documents' and produced a ranked table of the ten most common comm

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Full contribution timeline

1. Correction 19 July 2026

   Emir Baycan: The article cites a specific '2022 study by the editorial services firm Grammarly' that supposedly 'analyzed 6.3 million professional documents' and produced a ranked table of the ten most common comm

   Proof record →