Used and loved by millions
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
A modification has occurred
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "A modification has occurred" is correct and usable in written English.
You can use it in contexts where you want to indicate that a change or alteration has taken place. Example: "After reviewing the document, it is clear that a modification has occurred in the final version compared to the draft."
✓ Grammatically correct
Science
News & Media
Academia
Alternative expressions(2)
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
1 human-written examples
Most of the developed techniques belong to the family of fragile that means that the inserted watermark disappears when a modification has occurred to the watermarked image, thus revealing that data integrity has been compromised.
Human-verified similar examples from authoritative sources
Similar Expressions
59 human-written examples
First, the modern theory of evolution, both that allele frequencies in a population change over time and that descent with modification has occurred among the Earth's biota, in no way rests on the existence or non-existence of extraterrestrial life.
News & Media
Each of these has shortcomings, and by themselves trial designs are not likely to provide sufficient information to conclusively prove that disease modification has occurred.
Science
In this study we use HiRISE (High Resolution Image Science Experiment, Mars Reconnaissance Orbiter) imagery to identify the stratigraphical separation of the two landscapes and show that periglacial landscape modification has occurred in the geological units that underlie the ABa, not in the ABa itself.
Science
The desorption branches of samples are quite different due to the modification has occurred in their pore's texture.
Science
(iii) Packet Precision: Each time a source node transmits a packet for forwarding and then overhears the wireless medium to ensure that the packet was forwarded, it additionally processes it to check the packet's integrity, that is, that no unexpected modification has occurred.
Two scenarios were defined as virologic failure while on second line cART: a single HIV RNA > 400 copies/mL followed by a regimen class modification as well as having two consecutive HIV RNAs > 400 copies/mL regardless if a regimen class modification had occurred or not.
Science
The final sound file was inspected to ensure that the desired modification had occurred and that no artefacts were introduced.
Science
Following resynthesis, the formant frequencies of the new signal were measured and the sound examined to ensure that the desired modification had occurred and no artefacts were introduced.
Science
A diverse range of genetic modifications have occurred in the genome of R. gibba spheroid bodies and these would compromise the ability of the endosymbiont to exist as a free-living cyanobacterium, thereby confirming their suspected obligate status.
Science
Drawing title blocks record a brief note of dates when changes and modifications have occurred.
Expert writing Tips
Best practice
Use "A modification has occurred" to formally and concisely state that a change has happened, particularly when documenting processes or reporting findings.
Common error
While grammatically correct, relying too heavily on passive constructions like "A modification has occurred" can make your writing sound less direct. Consider if an active voice alternative, such as "Someone modified..." would be clearer and more engaging.
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "A modification has occurred" functions as a declarative statement, asserting that a change or alteration has taken place. As confirmed by Ludwig, this construction is grammatically sound and suitable for conveying this information.
Frequent in
Science
60%
News & Media
20%
Academia
20%
Less common in
Formal & Business
0%
Encyclopedias
0%
Wiki
0%
Ludwig's WRAP-UP
In summary, the phrase "A modification has occurred" is a grammatically correct and usable declarative statement indicating that a change or alteration has taken place. According to Ludwig, its primary function is to inform, often in formal or scientific contexts. Although not frequently used, it effectively conveys that a specific change has been implemented. For clearer or more engaging writing, consider using alternative phrases like "a change has taken place" or specifying who or what caused the modification.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
A change has taken place
Simple and direct alternative, focusing on the general concept of change.
There has been a change
Similar to "a change has taken place", but with a slightly different sentence structure.
An alteration has been made
Emphasizes the act of making a change, often implying a deliberate action.
Something has been altered
Focuses on the object that has been changed, rather than the act of changing itself.
A revision has been implemented
More formal, suggesting a planned and executed change, often in a document or system.
An adjustment has been applied
Implies a fine-tuning or correction has been made.
The state has been modified
Indicates a change in condition or status.
It has been transformed
Implies a more significant or dramatic change than a simple modification.
The configuration has shifted
Suggests a change in arrangement or setup.
A conversion has transpired
More formal and less common, indicating a fundamental change in form or nature.
FAQs
How can I rephrase "A modification has occurred" for clarity?
For better clarity, consider using phrases like "a change has taken place", or specifying who or what caused the modification, such as "The system was modified".
Is "A modification has occurred" formal or informal?
The phrase "A modification has occurred" is generally considered formal. For informal contexts, using something like "something has changed" may be more appropriate.
What is the difference between "A modification has occurred" and "A change has occurred"?
While similar, "A modification has occurred" often implies a more specific or documented alteration. "A change has occurred" is more general and can refer to any kind of alteration.
When is it best to use "A modification has occurred" in writing?
Use "A modification has occurred" when you need to formally state that a change has been made, especially in technical reports, official documentation, or when the specific act of modifying is important.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
82%
Authority and reliability
4.1/5
Expert rating
Real-world application tested