Something easily forgotten

• Trifling detail
• Little details
• A small or minor detail
• Petty detail
• Unimportant information
• Small things

Douglas Harper's Etymology Dictionary Word definitions in Douglas Harper's Etymology Dictionary
1751, plural minutiae , from Latin minutia "smallness" (plural minutiae , in Late Latin "trifles"), from minutus "small" (see minute (adj.)).

Wiktionary Word definitions in Wiktionary
n. 1 A minor detail, often of negligible importance. 2 (context biometrics forensics English) Any of the major features of a fingerprint that allow prints to be compared.

WordNet Word definitions in WordNet
n. a small or minor detail; "he had memorized the many minutiae of the legal code" [also: minutiae (pl)]