message: Optimize wording in README.md for APIs and their backwards compatibility
diff: @@ -24,7 +24,7 @@ organization for the purposes of conducting machine learning and deep neural
  networks research. The system is general enough to be applicable in a wide
  variety of other domains, as well.
  -TensorFlow provides stable Python API and C APIs as well as without API backwards compatibility guarantee like C++, Go, Java, JavaScript and Swift.
  +TensorFlow provides stable Python and C APIs as well as non-guaranteed backwards compatible API's for C++, Go, Java, JavaScript and Swift.
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