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Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
side note
Grammar usage guide and real-world examplesUSAGE SUMMARY
"side note" is a correct and usable phrase in written English.
You can use it when you want to include a brief comment or an additional thought related to the main topic. For example, "The decision seemed to be the right one at the time; side note, we now know it was a mistake."
✓ Grammatically correct
News & Media
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
(Side note: How the world has changed.
News & Media
Here is a side note on Sheehey.
News & Media
"Rick Ross is the side note, really.
News & Media
"On a side note, I must admit my guilt.
News & Media
(Side note: tights not good look on pear-shaped bodies).
News & Media
(Side note: "Pound-for-pound collagen is stronger than steel").
News & Media
But that was a side note to Gonzalez's remarkable season.
News & Media
The eating itself is a side note, really.
News & Media
(Side note: Ammon Bundy himself has benefited from federal munificence.
News & Media
Side note: Both companies need better websites.
News & Media
Side Note #2: Each era gets the villain it deserves.
News & Media
Expert writing Tips
Best practice
Use "side note" to introduce additional information that is related but not essential to the main point. It's a great way to add context or offer a brief clarification without disrupting the flow of your writing.
Common error
While "side note" is useful, overusing it can make your writing seem disjointed. If you find yourself frequently using "side note", consider integrating the information more smoothly into the main text or using alternative transitional phrases.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "side note" functions as a discourse marker, primarily used to introduce a brief, supplementary comment or observation that is related to the main topic but not essential to its core message. As Ludwig AI confirms, it's a valid phrase. The examples demonstrate its use in various contexts to add context or incidental information.
Frequent in
News & Media
98%
Formal & Business
1%
Science
1%
Less common in
Academia
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
The phrase "side note" is a commonly used discourse marker to introduce supplementary information related to the main topic. As Ludwig AI suggests, it is grammatically correct and versatile. The phrase is most frequently found in news and media contexts, maintaining a generally neutral register. While effective for adding context, overuse should be avoided to maintain a cohesive writing style. Alternatives like "incidentally" or "as an aside" can be used to diversify your writing.
More alternative expressions(10)
Phrases that express similar concepts, ordered by semantic similarity:
incidental remark
This alternative replaces "note" with "remark", emphasizing the casual and unplanned nature of the comment.
tangential comment
This alternative highlights the comment's deviation from the main subject.
passing observation
This alternative emphasizes the brief and non-central nature of the comment.
brief digression
This alternative specifies that the comment is a temporary departure from the main topic.
minor point
This alternative stresses the relative unimportance of the comment.
by the way
A common idiom used to introduce a related but not essential piece of information.
as an aside
This alternative indicates that the comment is separate from the main flow of conversation.
incidentally
This adverb suggests the comment is casually introduced.
parenthetically speaking
Emphasizes that the remark is like an insertion in parenthesis, adding extra information but not changing the core meaning.
for the record
Introduces information that clarifies the main point without necessarily supporting the overall narrative.
FAQs
How can I use "side note" in a sentence?
You can use "side note" to introduce an additional piece of information related to the main topic. For example, "The project was completed on time; side note, the team worked overtime to achieve this."
What are some alternatives to using "side note"?
You can use alternatives such as "incidentally", "as an aside", or "by the way" depending on the context.
Is "side note" formal or informal?
"Side note" is generally considered neutral to slightly informal. It is appropriate for most writing contexts but may be too casual for highly formal or academic papers. In those cases, consider more formal alternatives.
When should I avoid using "side note"?
Avoid using "side note" when the information you're introducing is crucial to understanding the main point. In such cases, integrate the information directly into the main text. Overuse can also make your writing seem disorganized.
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Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested