fixed typo

Author: SuvirRathore

README.md

@@ -12,7 +12,7 @@ choice.
 A secondary purpose is to establish precisely which ingredients Mathlib v4.28.0
 supports and which it does not.
 
-Drafted with LLM assistance; I audited the statements against Mathlib v4.28.0
+I audited the statements against Mathlib v4.28.0
 source and the citations against the primary literature. AUDIT.md records the Mathlib
 survey, the errors corrected, and the claims that remain unverified.