diff --git a/spring-core/src/main/java/org/springframework/core/ResolvableType.java b/spring-core/src/main/java/org/springframework/core/ResolvableType.java
index 82cd3a6aba..fcf99a3e71 100644
--- a/spring-core/src/main/java/org/springframework/core/ResolvableType.java
+++ b/spring-core/src/main/java/org/springframework/core/ResolvableType.java
@@ -1012,7 +1012,7 @@ public class ResolvableType implements Serializable {
 	/**
 	 * Return a {@link ResolvableType} for the specified {@link Class},
 	 * doing assignability checks against the raw class only (analogous to
-	 * {@link Class#isAssignableFrom}), which this serves as a wrapper for.
+	 * {@link Class#isAssignableFrom}, which this serves as a wrapper for).
 	 * <p>For example: {@code ResolvableType.forRawClass(List.class)}.
 	 * @param clazz the class to introspect ({@code null} is semantically
 	 * equivalent to {@code Object.class} for typical use cases here)
diff --git a/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java b/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java
index 711cde753d..28fc2fff92 100644
--- a/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java
+++ b/spring-core/src/main/java/org/springframework/util/FastByteArrayOutputStream.java
@@ -1,5 +1,5 @@
 /*
- * Copyright 2002-2020 the original author or authors.
+ * Copyright 2002-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -32,11 +32,11 @@ import org.springframework.lang.Nullable;
  * its sibling {@link ResizableByteArrayOutputStream}.
  *
  * <p>Unlike {@link java.io.ByteArrayOutputStream}, this implementation is backed
- * by an {@link java.util.ArrayDeque} of {@code byte[]} instead of 1 constantly
+ * by a {@link java.util.ArrayDeque} of {@code byte[]} instead of 1 constantly
  * resizing {@code byte[]}. It does not copy buffers when it gets expanded.
  *
  * <p>The initial buffer is only created when the stream is first written.
- * There is also no copying of the internal buffer if its contents is extracted
+ * There is also no copying of the internal buffer if its content is extracted
  * with the {@link #writeTo(OutputStream)} method.
  *
  * @author Craig Andrews
@@ -177,10 +177,11 @@ public class FastByteArrayOutputStream extends OutputStream {
 
 	/**
 	 * Convert the stream's data to a byte array and return the byte array.
-	 * <p>Also replaces the internal structures with the byte array to conserve memory:
-	 * if the byte array is being made anyway, mind as well as use it. This approach
-	 * also means that if this method is called twice without any writes in between,
-	 * the second call is a no-op.
+	 * <p>Also replaces the internal structures with the byte array to
+	 * conserve memory: if the byte array is being created anyway, we might
+	 * as well as use it. This approach also means that if this method is
+	 * called twice without any writes in the interim, the second call is
+	 * a no-op.
 	 * <p>This method is "unsafe" as it returns the internal buffer.
 	 * Callers should not modify the returned buffer.
 	 * @return the current contents of this output stream, as a byte array.
@@ -197,11 +198,10 @@ public class FastByteArrayOutputStream extends OutputStream {
 	}
 
 	/**
-	 * Creates a newly allocated byte array.
-	 * <p>Its size is the current
-	 * size of this output stream and the valid contents of the buffer
-	 * have been copied into it.</p>
-	 * @return the current contents of this output stream, as a byte array.
+	 * Create a newly allocated byte array.
+	 * <p>Its size is the current size of this output stream, and it will
+	 * contain the valid contents of the internal buffer.
+	 * @return the current contents of this output stream, as a byte array
 	 * @see #size()
 	 * @see #toByteArrayUnsafe()
 	 */