Fix mismatched javadoc
@@ -6,7 +6,7 @@ public interface Provider {
* Reads characters into an array
* @param buffer Destination buffer
* @param offset Offset at which to start storing characters
- * @param length The maximum possible number of characters to read
+ * @param len The maximum possible number of characters to read
* @return The number of characters read, or -1 if all read
* @exception IOException
*/
