Quick typo fix in readme

README.md

@@ -93,7 +93,7 @@ end
 **Note**: Elixir module names are passed as a string (`"MyApp.UserService"`)
 instead of atoms (`MyApp.UserService`). This reduces the compilation time
 because it doesn't create a link between modules which caused modules to be
-recompiled too often. This doesn't affect the bahaviour in any way.
+recompiled too often. This doesn't affect the behavior in any way.
 
 Erlang module names (e.g. `:crypto`) should be passed in the original form (as atoms).