diff --git a/lib/src/kdbx_format.dart b/lib/src/kdbx_format.dart
index dd675f2..d39344e 100644
--- a/lib/src/kdbx_format.dart
+++ b/lib/src/kdbx_format.dart
@@ -427,7 +427,7 @@ class MergeContext implements OverwriteContext {
   void markAsMerged(KdbxObject object) {
     if (merged.containsKey(object.uuid)) {
       throw StateError(
-        'object was already market as merged! ${object.uuid}: $object',
+        'object was already marked as merged! ${object.uuid}: $object',
       );
     }
     merged[object.uuid] = object;