Mutated plural question

[Sunshine]

Please could you explain in simple terms why "informations" in the below question and answer is in correct:
“I’d like some informations about your courses.”
“Certainly, here’s our brochure.”
Thank you.

[Alan]

Information is an uncountable noun and so is not used in the plural form.
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English as a Second Language
You can read my ESL story Present Simple