diff --git a/Utils/Converter/TimeType.php b/Utils/Converter/TimeType.php
index 781b01711..5dc8080a6 100644
--- a/Utils/Converter/TimeType.php
+++ b/Utils/Converter/TimeType.php
@@ -30,7 +30,7 @@ abstract class TimeType extends Enum
 {
     /* public */ const MILLISECONDS = 'ms';
     /* public */ const SECONDS = 's';
-    /* public */ const MINUTES = 'm';
+    /* public */ const MINUTES = 'i';
     /* public */ const HOURS = 'h';
     /* public */ const DAYS = 'd';
     /* public */ const WEEKS = 'w';
diff --git a/Utils/Converter/VolumeType.php b/Utils/Converter/VolumeType.php
index 76710d790..738e7346d 100644
--- a/Utils/Converter/VolumeType.php
+++ b/Utils/Converter/VolumeType.php
@@ -36,7 +36,7 @@ abstract class VolumeType extends Enum
     /* public */ const US_PINT_DRY = 'US pt dry';
     /* public */ const US_QUARTS_LIQUID = 'US qt lqd';
     /* public */ const US_QUARTS_DRY = 'US qt dry';
-    /* public */ const UK_QUARTS = 'US qt dry';
+    /* public */ const UK_QUARTS = 'UK qt dry';
     /* public */ const US_GILL = 'US gi';
     /* public */ const UK_GILL = 'UK gi';
     /* public */ const LITER = 'L';