message: Fixed a typo in the README
  Fixed a trivial typo in the README.
diff: @@ -19,7 +19,7 @@ EOL in April 2021.
  ## Installation
  You can get the release tarball from our [Downloads
  Page](https://www.mongodb.com/try/download/shell). We currently maintain MongoDB
  -Shell on three different platofrms - Windows(zip), MacOS(tgz) and Linux(tgz).
  +Shell on three different platforms - Windows(zip), MacOS(tgz) and Linux(tgz).
  Once downloaded, you will have to extract the binary and add it to your PATH
  variable. For detailed instructions for each of our supported platforms, please visit
  [installation documentation](https://docs.mongodb.com/mongodb-shell/install#mdb-shell-install)
  