diff --git a/Launcher/source/helper/VerifyHelper.java b/Launcher/source/helper/VerifyHelper.java
index 5cb9a49..f8e8fbc 100644
--- a/Launcher/source/helper/VerifyHelper.java
+++ b/Launcher/source/helper/VerifyHelper.java
@@ -22,7 +22,7 @@
 
 	@LauncherAPI
 	public static <K, V> V getMapValue(Map<K, V> map, K key, String error) {
-		return verify(map.get(key), v -> v == null, error);
+		return verify(map.get(key), v -> v != null, error);
 	}
 
 	@LauncherAPI
@@ -41,7 +41,7 @@
 	}
 
 	public static <K, V> void putIfAbsent(Map<K, V> map, K key, V value, String error) {
-		verify(map.putIfAbsent(key, value), o -> o != null, error);
+		verify(map.putIfAbsent(key, value), o -> o == null, error);
 	}
 
 	@LauncherAPI
diff --git a/Launcher/source/request/Request.java b/Launcher/source/request/Request.java
index e1b67dd..66a723d 100644
--- a/Launcher/source/request/Request.java
+++ b/Launcher/source/request/Request.java
@@ -67,7 +67,7 @@
 	private void writeHandshake(HInput input, HOutput output) throws IOException {
 		output.writeInt(Launcher.PROTOCOL_MAGIC);
 
-		// Write license & key info
+		// Write key info
 		output.writeBigInteger(config.publicKey.getModulus(), SecurityHelper.RSA_KEY_LENGTH + 1);
 		output.flush();