Fix typo

src/oauth.rs

@@ -114,7 +114,7 @@ pub fn get_access_token_client<E: Copy>(conf: &Config, prefix: &str, error_value
                     return Err(unauth_value);
                 },
                 _ => {
-                    error!("Error fetchin access token: {}", e);
+                    error!("Error fetching access token: {}", e);
                     return Err(error_value);
                 },
             },