diff --git a/src/error/LineColumnException.java b/src/error/LineColumnException.java
index 18aa592..6da696a 100644
--- a/src/error/LineColumnException.java
+++ b/src/error/LineColumnException.java
@@ -15,7 +15,9 @@ public abstract class LineColumnException extends LispException {
 
     @Override
     public String getMessage() {
-        return format("{0} - line {1}, column {2}", getMessagePrefix(), position.getLineNumber(),
+        return format("{0} - line {1}, column {2}",
+                      getMessagePrefix(),
+                      position.getLineNumber(),
                       position.getColumnNumber());
     }
 
diff --git a/src/function/ArgumentValidator.java b/src/function/ArgumentValidator.java
index 7d1cfc8..9752f8b 100644
--- a/src/function/ArgumentValidator.java
+++ b/src/function/ArgumentValidator.java
@@ -219,7 +219,9 @@ public class ArgumentValidator {
 
         @Override
         public String getMessage() {
-            return format("{0}: {1} is not the expected type of ''{2}''", functionName, argument,
+            return format("{0}: {1} is not the expected type of ''{2}''",
+                          functionName,
+                          argument,
                           getExpectedTypeName());
         }
 
diff --git a/src/function/UserDefinedFunction.java b/src/function/UserDefinedFunction.java
index 2e6f413..11fd605 100644
--- a/src/function/UserDefinedFunction.java
+++ b/src/function/UserDefinedFunction.java
@@ -143,7 +143,8 @@ public class UserDefinedFunction extends LispFunction {
 
         @Override
         public String getMessage() {
-            return format("unexpected parameters following ''&rest'' in definition of {0}: {1}", functionName,
+            return format("unexpected parameters following ''&rest'' in definition of {0}: {1}",
+                          functionName,
                           parameters);
         }
     }
diff --git a/src/recursion/tail/TailCall.java b/src/recursion/tail/TailCall.java
index 0f8f7ef..2c2edf7 100644
--- a/src/recursion/tail/TailCall.java
+++ b/src/recursion/tail/TailCall.java
@@ -16,7 +16,15 @@ public interface TailCall<T> {
     }
 
     default T invoke() {
-        return Stream.iterate(this, TailCall::apply).filter(TailCall::isComplete).findFirst().get().result();
+        // @formatter:off
+
+        return Stream.iterate(this, TailCall::apply)
+                     .filter(TailCall::isComplete)
+                     .findFirst()
+                     .get()
+                     .result();
+
+        // @formatter:on
     }
 
-}
\ No newline at end of file
+}
diff --git a/test/function/builtin/BackquoteEvaluatorTest.java b/test/function/builtin/BackquoteEvaluatorTest.java
index 401f961..88a3241 100644
--- a/test/function/builtin/BackquoteEvaluatorTest.java
+++ b/test/function/builtin/BackquoteEvaluatorTest.java
@@ -61,7 +61,8 @@ public class BackquoteEvaluatorTest {
 
     @Test
     public void evaluateListWithComma() {
-        SExpression input = makeList(new CommaExpression(makeList(new Symbol("+"), new LispNumber("1"),
+        SExpression input = makeList(new CommaExpression(makeList(new Symbol("+"),
+                                                                  new LispNumber("1"),
                                                                   new LispNumber("9"))));
         BackquoteEvaluator evaluator = createBackquoteEvaluator(input);
 
@@ -133,11 +134,17 @@ public class BackquoteEvaluatorTest {
         Cons list2 = makeList(new Symbol("+"), new LispNumber("20"), new LispNumber("5"));
         Cons list3 = makeList(new Symbol("LIST"), new LispNumber("7"), new LispNumber("6"));
 
-        SExpression input = makeList(new LispNumber("78"), new CommaExpression(new AtSignExpression(list1)),
-                                     new CommaExpression(list2), new CommaExpression(list3), new LispString("\"sky\""));
+        SExpression input = makeList(new LispNumber("78"),
+                                     new CommaExpression(new AtSignExpression(list1)),
+                                     new CommaExpression(list2),
+                                     new CommaExpression(list3),
+                                     new LispString("\"sky\""));
 
-        SExpression expected = makeList(new LispNumber("78"), new LispNumber("1"), new LispNumber("9"),
-                                        new LispNumber("25"), makeList(new LispNumber("7"), new LispNumber("6")),
+        SExpression expected = makeList(new LispNumber("78"),
+                                        new LispNumber("1"),
+                                        new LispNumber("9"),
+                                        new LispNumber("25"),
+                                        makeList(new LispNumber("7"), new LispNumber("6")),
                                         new LispString("\"sky\""));
 
         BackquoteEvaluator evaluator = createBackquoteEvaluator(input);