Checkstyle.
diff --git a/src/main/java/org/apache/commons/text/io/StringSubstitutorReader.java b/src/main/java/org/apache/commons/text/io/StringSubstitutorReader.java
index cec4f9e..bf6795b 100644
--- a/src/main/java/org/apache/commons/text/io/StringSubstitutorReader.java
+++ b/src/main/java/org/apache/commons/text/io/StringSubstitutorReader.java
@@ -29,7 +29,7 @@
 
 /**
  * A {@link Reader} that performs string substitution on a source {@code Reader} using a {@link StringSubstitutor}.
- * 
+ *
  * <p>
  * Using this Reader avoids reading a whole file into memory as a {@code String} to perform string substitution, for
  * example, when a Servlet filters a file to a client.
diff --git a/src/main/java/org/apache/commons/text/io/package-info.java b/src/main/java/org/apache/commons/text/io/package-info.java
index 4234783..c3944a4 100644
--- a/src/main/java/org/apache/commons/text/io/package-info.java
+++ b/src/main/java/org/apache/commons/text/io/package-info.java
@@ -20,12 +20,12 @@
  * {@link org.apache.commons.text.io.StringSubstitutorReader} is a {@link java.io.Reader} that performs string
  * substitution on a source {@code Reader} using a {@link org.apache.commons.text.StringSubstitutor}.
  * </p>
- * 
+ *
  * <p>
  * Using this Reader avoids reading a whole file into memory as a {@code String} to perform string substitution, for
  * example, when a Servlet filters a file to a client.
  * </p>
- * 
+ *
  * @since 1.9
  */
 package org.apache.commons.text.io;