[release/1.4.6] README: fix typos

README: fix typos
(cherry picked from commit 2348f8e2a8)

README.md

@@ -58,14 +58,14 @@ anyone on the internet, and are grateful for even the smallest of fixes!
 If you'd like to contribute to go-ethereum, please fork, fix, commit and send a pull request
 for the maintainers to review and merge into the main code base. If you wish to submit more
 complex changes though, please check up with the core devs first on [our gitter channel](https://gitter.im/ethereum/go-ethereum)
-to ensure those changes are in line with the general philosopy of the project and/or get some
+to ensure those changes are in line with the general philosophy of the project and/or get some
 early feedback which can make both your efforts much lighter as well as our review and merge
 procedures quick and simple.
 
-Please make sure your contributions adhere to our coding guidlines:
+Please make sure your contributions adhere to our coding guidelines:
 
  * Code must adhere to the official Go [formatting](https://golang.org/doc/effective_go.html#formatting) guidelines (i.e. uses [gofmt](https://golang.org/cmd/gofmt/)).
- * Code must be documented adherign to the official Go [commentary](https://golang.org/doc/effective_go.html#commentary) guidelines.
+ * Code must be documented adhering to the official Go [commentary](https://golang.org/doc/effective_go.html#commentary) guidelines.
  * Pull requests need to be based on and opened against the `develop` branch.
  * Commit messages should be prefixed with the package(s) they modify.
    * E.g. "eth, rpc: make trace configs optional"