The phrase "a tiny alteration in" is correct and usable in written English.
You can use it when discussing a small change or modification in a specific context, such as a process, design, or document.
Example: "After reviewing the report, I realized that a tiny alteration in the data presentation could enhance clarity."
Alternatives: "a slight change in" or "a minor adjustment in".
In a Times review published seven years ago, Charles McGrath said of John O'Hara that, "He created what later came to be called 'the New Yorker story' — one that turns on a tiny alteration in tone or mood — and he paved the way for Salinger, Cheever, Updike and even Carver".
Robert Webster of St . JudeChildren's Research Hospital in Memphis, Tennessee, and colleagues noted that the 1997 Hong Kong strain had a tiny alteration in its NS1 protein, and they wondered if that was what made it especially deadly.
In fact, speaking to Rohit Malpani from Médecins Sans Frontières (an organisation that relies heavily on affordable generic drugs), he stressed that even a tiny alteration in the law "would have enormous impacts on public health systems in sub-Saharan Africa, Latin America and Southeast Asia".
I'm personally now favoring a tiny alteration to a very familiar phrase in US politics; ahead of us we now have Four Mere Years.
Last summer her team hit pay dirt: They found a tiny alteration of just four chemical beads, or "letters," in the 35,000-letter-long Flap gene.
The African women, however, are able to minimize this loss through a tiny alteration of their gait.
Loeb performed laboratory work devoted to "tropism" — the tendency of plants and animals to react in a predetermined way to tiny alterations in the environment.
Never losing his cool, he reveals Bradley's shifts in feeling with tiny alterations in body language and inflection.
After the police arrive at the Drake flat, Leigh gives Staunton one of those classic prolonged closeups, and Vera's sense that her entire life is about to change registers in the tiniest alterations in her facial muscles.
Priebus said it would be "one single tiny alteration of the tax code" that would raise only enough to fund the government for 11 hours instead of making a significant dent in the deficit.
Especially, rolled-up microcavities with (ultra thin wall thickness are sensitive to tiny alterations and modifications in the vicinity of the inner and outer tube wall surfaces[5].
