diff --git a/api/configs/feature/__init__.py b/api/configs/feature/__init__.py
index 6ce72e80df..a02f8a4d49 100644
--- a/api/configs/feature/__init__.py
+++ b/api/configs/feature/__init__.py
@@ -548,7 +548,7 @@ class UpdateConfig(BaseSettings):
 
 class WorkflowVariableTruncationConfig(BaseSettings):
     WORKFLOW_VARIABLE_TRUNCATION_MAX_SIZE: PositiveInt = Field(
-        # 100KB
+        # 1000 KiB
         1024_000,
         description="Maximum size for variable to trigger final truncation.",
     )
diff --git a/api/services/variable_truncator.py b/api/services/variable_truncator.py
index d02508e4f3..a8f37c31c8 100644
--- a/api/services/variable_truncator.py
+++ b/api/services/variable_truncator.py
@@ -79,7 +79,7 @@ class VariableTruncator:
         self,
         string_length_limit=5000,
         array_element_limit: int = 20,
-        max_size_bytes: int = 1024_000,  # 100KB
+        max_size_bytes: int = 1024_000,  # 1000 KiB
     ):
         if string_length_limit <= 3:
             raise ValueError("string_length_limit should be greater than 3.")