diff --git a/assertj-core/src/main/java/org/assertj/core/api/Assertions.java b/assertj-core/src/main/java/org/assertj/core/api/Assertions.java
index ff790fefaa..2e9c655961 100644
--- a/assertj-core/src/main/java/org/assertj/core/api/Assertions.java
+++ b/assertj-core/src/main/java/org/assertj/core/api/Assertions.java
@@ -1477,6 +1477,7 @@ public static <THROWABLE extends Throwable> THROWABLE catchThrowableOfType(Class
                                                                              ThrowingCallable shouldRaiseThrowable) {
     return ThrowableAssert.catchThrowableOfType(type, shouldRaiseThrowable);
   }
+
   /**
    * Allows catching an instance of {@link Exception}.
    * <p>
diff --git a/assertj-core/src/main/java/org/assertj/core/api/AssertionsForClassTypes.java b/assertj-core/src/main/java/org/assertj/core/api/AssertionsForClassTypes.java
index bdf2d8f8d5..eb7c8eb446 100644
--- a/assertj-core/src/main/java/org/assertj/core/api/AssertionsForClassTypes.java
+++ b/assertj-core/src/main/java/org/assertj/core/api/AssertionsForClassTypes.java
@@ -822,7 +822,7 @@ public static <T extends Throwable> ThrowableTypeAssert<T> assertThatExceptionOf
    * <pre><code class='java'>assertThatNoException().isThrownBy(() -&gt; { System.out.println("OK"); });</code></pre>
    *
    * This method is more or less the same of {@code assertThatCode(...).doesNotThrowAnyException();} but in a more natural way.
-
+   *
    * @return the created {@link NotThrownAssert}.
    * @since 3.17.0
    */
diff --git a/assertj-core/src/main/java/org/assertj/core/api/ThrowableAssert.java b/assertj-core/src/main/java/org/assertj/core/api/ThrowableAssert.java
index fc5677dbd0..40e02f432f 100644
--- a/assertj-core/src/main/java/org/assertj/core/api/ThrowableAssert.java
+++ b/assertj-core/src/main/java/org/assertj/core/api/ThrowableAssert.java
@@ -80,7 +80,7 @@ public static <THROWABLE extends Throwable> THROWABLE catchThrowableOfType(Class
     if (throwable == null) return null;
     // check exception type
     new ThrowableAssert<>(throwable).overridingErrorMessage(shouldBeInstance(throwable, type).create())
-      .isInstanceOf(type);
+                                    .isInstanceOf(type);
     return (THROWABLE) throwable;
   }