Javadoc.
diff --git a/src/main/java/org/apache/commons/text/StringSubstitutor.java b/src/main/java/org/apache/commons/text/StringSubstitutor.java
index 6c69afd..d465c45 100644
--- a/src/main/java/org/apache/commons/text/StringSubstitutor.java
+++ b/src/main/java/org/apache/commons/text/StringSubstitutor.java
@@ -781,8 +781,8 @@
* </p>
*
* @param source the string to replace in, null returns null
- * @param offset the start offset within the array, must be valid
- * @param length the length within the array to be processed, must be valid
+ * @param offset the start offset within the source, must be valid
+ * @param length the length within the source to be processed, must be valid
* @return The result of the replace operation
* @throws IllegalArgumentException if variable is not found when its allowed to throw exception
*/
@@ -824,8 +824,8 @@
* </p>
*
* @param source the buffer to use as a template, not changed, null returns null
- * @param offset the start offset within the array, must be valid
- * @param length the length within the array to be processed, must be valid
+ * @param offset the start offset within the source, must be valid
+ * @param length the length within the source to be processed, must be valid
* @return The result of the replace operation
* @throws IllegalArgumentException if variable is not found when its allowed to throw exception
*/
@@ -865,8 +865,8 @@
* </p>
*
* @param source the builder to use as a template, not changed, null returns null
- * @param offset the start offset within the array, must be valid
- * @param length the length within the array to be processed, must be valid
+ * @param offset the start offset within the source, must be valid
+ * @param length the length within the source to be processed, must be valid
* @return The result of the replace operation
* @throws IllegalArgumentException if variable is not found when its allowed to throw exception
*/
@@ -903,8 +903,8 @@
* </p>
*
* @param source the buffer to replace in, updated, null returns zero
- * @param offset the start offset within the array, must be valid
- * @param length the length within the buffer to be processed, must be valid
+ * @param offset the start offset within the source, must be valid
+ * @param length the length within the source to be processed, must be valid
* @return true if altered
* @throws IllegalArgumentException if variable is not found when its allowed to throw exception
*/
@@ -944,8 +944,8 @@
* </p>
*
* @param source the buffer to replace in, updated, null returns zero
- * @param offset the start offset within the array, must be valid
- * @param length the length within the buffer to be processed, must be valid
+ * @param offset the start offset within the source, must be valid
+ * @param length the length within the source to be processed, must be valid
* @return true if altered
* @throws IllegalArgumentException if variable is not found when its allowed to throw exception
*/
@@ -986,8 +986,8 @@
* </p>
*
* @param source the builder to replace in, null returns zero
- * @param offset the start offset within the array, must be valid
- * @param length the length within the builder to be processed, must be valid
+ * @param offset the start offset within the source, must be valid
+ * @param length the length within the source to be processed, must be valid
* @return true if altered
* @throws IllegalArgumentException if variable is not found when its allowed to throw exception
*/