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need -> needs

Carl Factora 9 年之前
父节点
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7d62378b54
共有 1 个文件被更改,包括 1 次插入1 次删除
  1. 1 1
      book.tex

+ 1 - 1
book.tex

@@ -4835,7 +4835,7 @@ kinds of AST nodes: \code{function-ref}, \code{indirect-callq}, and
 \code{leaq}. Inside \code{uncover-live}, when computing the $W$ set
 (written variables) for an \code{indirect-callq} instruction, I
 recommend including all the caller save registers, which will have the
-affect of making sure that no caller save register actually need to be
+affect of making sure that no caller save register actually needs to be
 saved. In \code{patch-instructions}, you should deal with the x86
 idiosyncrasy that the destination argument of \code{leaq} must be a
 register.