diff --git a/README.md b/README.md
index eb4fbe2..056a5de 100644
--- a/README.md
+++ b/README.md
@@ -23,9 +23,13 @@ Riven currently uses nightly Rust.
 use riven::RiotApi;
 use riven::consts::Region;
 
-async {
+// Enter tokio async runtime.
+let rt = tokio::runtime::Runtime::new().unwrap();
+rt.block_on(async {
     // Create RiotApi instance from key.
-    let riot_api = RiotApi::with_key("RGAPI-01234567-89ab-cdef-0123-456789abcdef");
+    let api_key = "RGAPI-01234567-89ab-cdef-0123-456789abcdef";
+    # let api_key = std::env::var("RGAPI_KEY").ok().or_else(|| std::fs::read_to_string("apikey.txt").ok()).unwrap();
+    let riot_api = RiotApi::with_key(api_key);
 
     // Get summoner data.
     let summoner = riot_api.summoner_v4()
@@ -48,10 +52,8 @@ async {
             mastery.champion_id.to_string(),
             mastery.champion_points, mastery.champion_level);
     }
-}
+});
 ```
-Full code in [tests/readme.rs.ignored](./tests/readme.rs.ignored)
-
 Output:
 ```text
 잘 못 Champion Masteries:
diff --git a/src/consts/map.rs b/src/consts/map.rs
index 624c235..e89ed15 100644
--- a/src/consts/map.rs
+++ b/src/consts/map.rs
@@ -1,9 +1,9 @@
-///////////////////////////////////////////////
-//                                           //
-//                     !                     //
-//   This file is automatically generated!   //
-//           Do not directly edit!           //
-//                                           //
+///////////////////////////////////////////////
+//                                           //
+//                     !                     //
+//   This file is automatically generated!   //
+//           Do not directly edit!           //
+//                                           //
 ///////////////////////////////////////////////
 
 use serde_repr::{ Serialize_repr, Deserialize_repr };
diff --git a/tests/async_tests.rs b/tests/async_tests.rs
index e38579d..f626cd4 100644
--- a/tests/async_tests.rs
+++ b/tests/async_tests.rs
@@ -7,7 +7,7 @@ macro_rules! async_tests {
             env_logger::init();
 
             std::process::exit({
-                let mut rt = tokio::runtime::current_thread::Runtime::new()
+                let rt = tokio::runtime::Runtime::new()
                     .expect("Failed to create runtime.");
 
                 let (_, errs) = rt.block_on(async {
diff --git a/tests/tests_kr.rs.ignored b/tests/tests_kr.rs.ignored
index 628f823..0657cd3 100644
--- a/tests/tests_kr.rs.ignored
+++ b/tests/tests_kr.rs.ignored
@@ -19,7 +19,7 @@ async_tests!{
     my_runner {
         league_summoner_bulk_test: async {
 
-            let leagues = (1..20)
+            let leagues = (1..10)
                 .map(async move |i| {
                     let leaguelist = RIOT_API.league_v4().get_league_entries(REGION,
                         QueueType::RANKED_SOLO_5x5, Tier::GOLD, Division::III, Some(i));