diff --git a/CHANGELOG.md b/CHANGELOG.md
index 6cc7866..2f02dd4 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,10 +1,5 @@
 CHANGELOG for 1.x
 ===================
-## v1.7.1 - (2024-06-20)
-### Added
-- `ArrayUtils::hasDuplicateValue` + tests
-- `StringUtils::fillPrefix` Fill a prefix to value until specified length + tests
-
 ## v1.7.0 - (2024-06-14)
 ### Added
 - `MonitoringApiControllerTrait` used to centralize ApiCall manipulation during api monitoring
diff --git a/CHANGELOG_add_duplicate_value_fill_prefix.md b/CHANGELOG_add_duplicate_value_fill_prefix.md
new file mode 100644
index 0000000..7387d52
--- /dev/null
+++ b/CHANGELOG_add_duplicate_value_fill_prefix.md
@@ -0,0 +1,3 @@
+### Added
+- `MonitoringApiControllerTrait` used to centralize ApiCall manipulation during api monitoring
+- `ApiCallMonitor::logException` simplify logging exception for `ApiCall` using the `ProcessMonitor`
diff --git a/src/Utils/StringUtils.php b/src/Utils/StringUtils.php
index 9697f94..4ab3c7c 100644
--- a/src/Utils/StringUtils.php
+++ b/src/Utils/StringUtils.php
@@ -188,7 +188,8 @@ public static function formatSpaceBetween(?string $first, ?string $last): string
     }
 
     /**
-     * Fill a prefix to value until specified length
+     * Fill a prefix to value until specified length.
+     * For example this can be used on invoice number generation to fill in missing character.
      *
      * <pre>
      * <?php