[clang][ASTMatchers][NFC] fix typos in AST-matchers docs.#141307

vbvictor merged 2 commits intollvm:mainllvm/llvm-project:mainfrom

vbvictor:fix-typos-in-AST-matchersvbvictor/llvm-project:fix-typos-in-AST-matchersCopy head branch name to clipboard