diff --git a/checkstyle.xml b/checkstyle.xml
index afddb470..91c05961 100644
--- a/checkstyle.xml
+++ b/checkstyle.xml
@@ -45,9 +45,32 @@
         <module name="RedundantImport"/>
         <module name="UnusedImports"/>
 
+        <!-- See https://checkstyle.org/config_whitespace.html -->
+        <module name="GenericWhitespace"/>
+        <module name="MethodParamPad"/>
+        <module name="NoLineWrap"/>
+        <module name="NoWhitespaceAfter"/>
+        <module name="NoWhitespaceBefore"/>
+        <module name="OperatorWrap"/>
+        <module name="ParenPad">
+            <property name="option" value="space"/>
+            <property name="tokens" value="ANNOTATION_FIELD_DEF, CTOR_CALL, DOT, ENUM_CONSTANT_DEF, EXPR, LITERAL_CATCH, LITERAL_DO, LITERAL_FOR, LITERAL_IF, LITERAL_NEW, LITERAL_SWITCH, LITERAL_SYNCHRONIZED, LITERAL_WHILE, METHOD_CALL, QUESTION, RESOURCE_SPECIFICATION, SUPER_CTOR_CALL, LAMBDA"/>
+        </module>
+        <module name="SingleSpaceSeparator"/>
+        <module name="TypecastParenPad"/>
+        <module name="WhitespaceAfter"/>
+        <module name="WhitespaceAround"/>
+
         <!-- See http://checkstyle.sourceforge.net/config_modifiers.html -->
         <module name="ModifierOrder"/>
 
+        <!-- See https://checkstyle.org/config_blocks.html -->
+        <module name="AvoidNestedBlocks"/>
+        <module name="LeftCurly">
+            <property name="option" value="nl"/>
+        </module>
+        <module name="RightCurly"/>
+
         <!-- See http://checkstyle.sourceforge.net/config_design.html -->
         <module name="FinalClass"/>
 
diff --git a/module/reconnect-yaml/src/main/java/net/md_5/bungee/module/reconnect/yaml/YamlReconnectHandler.java b/module/reconnect-yaml/src/main/java/net/md_5/bungee/module/reconnect/yaml/YamlReconnectHandler.java
index f1bfd68a..3a514a76 100644
--- a/module/reconnect-yaml/src/main/java/net/md_5/bungee/module/reconnect/yaml/YamlReconnectHandler.java
+++ b/module/reconnect-yaml/src/main/java/net/md_5/bungee/module/reconnect/yaml/YamlReconnectHandler.java
@@ -24,7 +24,7 @@ public class YamlReconnectHandler extends AbstractReconnectHandler
     private final File file = new File( "locations.yml" );
     private final ReadWriteLock lock = new ReentrantReadWriteLock();
     /*========================================================================*/
-    private CaseInsensitiveMap< String> data;
+    private CaseInsensitiveMap<String> data;
 
     @SuppressWarnings("unchecked")
     public YamlReconnectHandler()