diff --git a/src/main/java/org/apache/commons/lang3/StringUtils.java b/src/main/java/org/apache/commons/lang3/StringUtils.java
index 58174b6be..63e12dbc0 100644
--- a/src/main/java/org/apache/commons/lang3/StringUtils.java
+++ b/src/main/java/org/apache/commons/lang3/StringUtils.java
@@ -1085,8 +1085,8 @@ public static int lastIndexOf(String str, int searchChar, int startPos) {
      * StringUtils.lastIndexOf(*, null)          = -1
      * StringUtils.lastIndexOf("", "")           = 0
      * StringUtils.lastIndexOf("aabaabaa", "a")  = 7
-     * StringUtils.lastIndexOf("aabaabaa", "b")  = 4
-     * StringUtils.lastIndexOf("aabaabaa", "ab") = 5
+     * StringUtils.lastIndexOf("aabaabaa", "b")  = 5
+     * StringUtils.lastIndexOf("aabaabaa", "ab") = 4
      * StringUtils.lastIndexOf("aabaabaa", "")   = 8
      * </pre>
      *