message: small typo in README
diff: @@ -32,7 +32,7 @@ rewritten but still contains some useful ideas.
  The major artifact of the SDK is a C-callable library that provides the basic building blocks for
  the creation of applications on the top of [Hyperledger Indy](https://www.hyperledger.org/projects/hyperledger-indy).
  -It is available for most popular desktop, mobile and server platfrorms.
  +It is available for most popular desktop, mobile and server platforms.
  ### Libindy wrappers
  