message: Update docs/GAS.md
diff: @@ -59,8 +59,8 @@ we can safely pass them in uint64 fields, as long as the full range is
  supported. This is the case for the C API as well as
  [JSON numbers](https://www.json.org/) as long as both sides support integers in
  their JSON implementation. Go and Rust do that while many other implementations
  -don't support integers numbers and convert to them to IEEE-754 doubles, which
  -has a safe integer range up about 53 bit (e.g. JavaScript and jq).
  +don't support integers, and convert them to IEEE-754 doubles, which has a safe
  +integer range up to about 53 bit (e.g. JavaScript and jq).
  <sup>1</sup> Python3: `(2**64-1)/1000 / 10**12`
  