online business writing proofreading class

Proofreading Training for People Who Proofread Others’ Documents

Learn at your own paceLifetime course access


Save 10%

Save 10% off each course when you enroll in two or more courses. See suggested combinations below for our most popular combinations.

Save 10% off each course when you enroll in two or more courses. See suggested combinations in the right column for our most popular combinations.

This course is for business people who are assigned the task of proofreading others' documents.

This comprehensive course for proofreaders teaches how to proofread and the proofreading marks to help you proofread grammar, punctuation, spelling, word usage, and sentence structure.

Course Highlights

  • Review the basics of language, grammar, punctuation, sentence structure, word usage, and formatting
  • Practice proofreading real documents and receiving instructor feedback
  • Learn the proofreader’s marks and how to use them
  • Learn methods of proofreading so you don’t miss errors
  • Learn the methods of proofreading that focus on specific areas in the writing

Course Description

The Proofreading Skills course contains clear, thorough explanations of proofreading business writing and proofreader's marks. The course reviews basic English usage to help you spot the errors that even experienced proofreaders may miss. As you review the rules, you proofread business documents to practice identifying mistakes. Your instructor then evaluates your proofreading to ensure you’ve learned the skills. Take this course if you have a good command of English language and usage and proofread others' documents. You might be a proofreader in a law firm, corporate communications office, or publication. If you are interested in learning how to proofread your own documents, enroll in the Training in How to Proofread Your Own Business Writing course.

When You Complete This Course...

  • You will understand how to use standard proofreading marks.
  • You will know how to proofread methodically to identify errors and communicate them to the writer.
  • You will know the basic usage rules so you can identify errors easily in documents.

How It Works

Work Online

When you enroll, we give you access to all the online lessons and training materials. Each lesson builds on the lessons that precede it. We offer clear explanations for every part of our training and plenty of real-world examples of how to apply the skills you are learning.

Set Your Own Pace

You go at your own pace and submit assignments when you are ready. You don’t have to be online with other students or perform activities at specific times.

Instructor Feedback

Your instructor evaluates all your work, coaches you through learning the skills, and gives you personalized feedback on what you are doing well and what still needs polish. You can contact your instructor at any time if you have questions about your training, business writing, or the English language.


When you finish the course within four months, you receive a graduation certificate.


You may purchase the textbooks from a bookseller such as You will also study online training materials.


This course has four diagnostic tests. To graduate you must score an average of at least 70% on the four diagnostics. This course is not recommended for anyone who wants to overcome errors in his or her writing. You should have few usage errors in your writing to be able to graduate from this course.


When you finish the course within four months with an average of 70% on the diagnostics, you receive a graduation certificate.

Course Outline

Lesson 1: Introduction to Proofreading

Lesson 2: The Proofreader's Marks and Querying the Author

Lesson 3: Consistency, Parallel Constructions, and Correct Facts

Diagnostic Test 1: General Skills

Lesson 4: Spelling, Word Division

Lesson 5: Abbreviations, Capitalization

Lesson 6: Numbers, Figures

Diagnostic Test 2: Spelling, Word Division, Abbreviations, Capitalization, Numbers and Figures

Lesson 7: Grammar Errors

Lesson 8: Pronoun Agreement and Selection

Lesson 9: Punctuation

Diagnostic Test 3: Pronoun Agreement and Selection, Punctuation

Lesson 10: Mood and Voice

Lesson 11: Modifiers and Connectives

Lesson 12: Format, Publishing

Lesson 13: Case, Tense

Diagnostic Test 4: Final

Start Learning Today


Suggested Combinations

This course and Editing Skills

Shape first drafts into well-structured, error-free, polished documents.

Add both to cart $711.00 Save $79.00

This course and Business Writing Skills

Our fundamental writing course for clear, effective, professional business documents.

Add both to cart $711.00 Save $79.00

Dr. Hogan

Writing Coaching by Dr. Robert Hogan

Dr. Hogan has been training writers for 40 years in universities, colleges of business, consulting companies, and professional writing companies.

Learn more about Dr. Hogan.

Course Features

Course Materials: Online + Book (to purchase)

Certificate upon Completion: Yes

Instructor Feedback: Yes

Letter of Recommendation: Yes

Lesson Count: 13

Practice Activities: 0

Exams: 4

Start Learning Today


Gold Icon of
    an Infinity Symbol

45 Business Writing Courses

View all courses.
Gold Icon of

7,000+ Clients Worldwide

See a sample list of clients.
Gold Icon of
    an Award

Awards and Recognition

See our awards and recognition.
Gold Icon of
    a Business Presentation

Corporate & Government Training

Learn more.