message: Update build-scripts.md
diff: @@ -323,9 +323,9 @@ cross-compiling, so keep that in consideration of the impact on compile time.
  When rebuilding a package, Cargo does not necessarily know if the build script
  needs to be run again. By default, it takes a conservative approach of always
  -re-running the build script if any rust file within the package is changed (or the
  -list of files controlled by the [`exclude` and `include` fields]). For most
  -cases, this is not a good choice, so it is recommended that every build script
  +re-running the build script if *any* file within the package directory is changed
  +(or the list of files controlled by the [`exclude` and `include` fields]). For
  +most cases, this is not a good choice, so it is recommended that every build script
  emit at least one of the `rerun-if` instructions (described below). If these
  are emitted, then Cargo will only re-run the script if the given value has
  changed. If Cargo is re-running the build scripts of your own crate or a
  