Update README.md

Author: thomaspoignant

README.md

@@ -69,7 +69,7 @@ OpenFeatureAPI.shared.setProvider(provider: provider, initialContext: evaluation
 
 The evaluation context is the way for the client to specify contextual data that GO Feature Flag uses to evaluate the feature flags, it allows to define rules on the flag.
 
-The `targetingKey` is mandatory for GO Feature Flag in order to evaluate the feature flag, it could be the id of a user, a session ID or anything you find relevent to use as identifier during the evaluation.
+The `targetingKey` is mandatory for GO Feature Flag in order to evaluate the feature flag, it could be the id of a user, a session ID or anything you find relevant to use as identifier during the evaluation.
 
 The `setProvider()` function is synchronous and returns immediately, however this does not mean that the provider is ready to be used. An asynchronous network request to the GO Feature Flag backend to fetch all the flags configured for your application must be completed by the provider first. The provider will then emit a `READY` event indicating you can start resolving flags.