diff --git a/src/main/java/org/apache/commons/lang3/StringUtils.java b/src/main/java/org/apache/commons/lang3/StringUtils.java
index 02d32f8a091..bcdae3a7e37 100644
--- a/src/main/java/org/apache/commons/lang3/StringUtils.java
+++ b/src/main/java/org/apache/commons/lang3/StringUtils.java
@@ -3497,20 +3497,13 @@ public static boolean isAsciiPrintable(final CharSequence cs) {
     }
 
     /**
-     * Tests if a CharSequence is empty ({@code "")}, null, or contains only whitespace as defined by {@link Character#isWhitespace(char)}.
-     *
-     * <pre>
-     * StringUtils.isBlank(null)      = true
-     * StringUtils.isBlank("")        = true
-     * StringUtils.isBlank(" ")       = true
-     * StringUtils.isBlank("bob")     = false
-     * StringUtils.isBlank("  bob  ") = false
-     * </pre>
-     *
-     * @param cs the CharSequence to check, may be null.
-     * @return {@code true} if the CharSequence is null, empty or whitespace only.
-     * @since 2.0
-     * @since 3.0 Changed signature from isBlank(String) to isBlank(CharSequence)
+     * Checks if a CharSequence is empty(""), null or whitespace only.
+     * <p>
+     * Whitespace is determined by {@link Charachter#isWhiteSpace(char)}
+     * </p>
+     * 
+     * @param cs the CharSequence to check, may be null
+     * @return {@code true} if the CharSequence is empty, null or whitespace only
      */
     public static boolean isBlank(final CharSequence cs) {
         final int strLen = length(cs);