diff --git a/docs/en/sql-reference/functions/array-functions.md b/docs/en/sql-reference/functions/array-functions.md
index 11caa4fe749..9d42f8423d3 100644
--- a/docs/en/sql-reference/functions/array-functions.md
+++ b/docs/en/sql-reference/functions/array-functions.md
@@ -3224,7 +3224,8 @@ Result:
 
 ## arrayNormalizedGini
 
-Function `arrayNormalizedGini` is used to calculate the normalized Gini coefficient.
+Calculates the normalized Gini coefficient.
+For more details, see https://arxiv.org/abs/1912.07753.
 
 **Syntax**
 
@@ -3239,7 +3240,7 @@ arrayNormalizedGini(predicted, label)
 
 **Returned Value**
 
-- A tuple contains Gini coefficient of predicted values, Gini coefficient of label values and the normalized Gini coefficient, which is the ratio between predicted Gini coefficient and label Gini coefficient.
+- A tuple containing the Gini coefficients of the predicted values, the Gini coefficient of the normalized values, and the normalized Gini coefficient (= the ratio of the former two Gini coefficients).
 
 **Examples**
 
@@ -3257,8 +3258,6 @@ Result:
 └─────────────────────────────────────────────────────────────┘
 ```
 
-- For more details, check https://arxiv.org/abs/1912.07753
-
 ## Distance functions
 
 All supported functions are described in [distance functions documentation](../../sql-reference/functions/distance-functions.md).
diff --git a/src/Functions/array/arrayNormalizedGini.cpp b/src/Functions/array/arrayNormalizedGini.cpp
index 6153e06d8d2..b5051c49fa8 100644
--- a/src/Functions/array/arrayNormalizedGini.cpp
+++ b/src/Functions/array/arrayNormalizedGini.cpp
@@ -421,12 +421,10 @@ private:
 
 REGISTER_FUNCTION(NormalizedGini)
 {
-    FunctionDocumentation::Description doc_description = "The function is used to calculate the normalized Gini coefficient.";
+    FunctionDocumentation::Description doc_description = "Calculates the normalized Gini coefficient. For more details, see https://arxiv.org/abs/1912.07753.";
     FunctionDocumentation::Syntax doc_syntax = "arrayNormalizedGini(predicted, label)";
-    FunctionDocumentation::Arguments doc_arguments
-        = {{"predicted", "Predicted value (Array(T))."}, {"label", "Actual value (Array(T))."}};
-    FunctionDocumentation::ReturnedValue doc_returned_value = "A tuple contains predicted Gini coefficient, "
-                                                              "label Gini coefficient and the normalized Gini coefficient .";
+    FunctionDocumentation::Arguments doc_arguments = {{"predicted", "Predicted value (Array(T))."}, {"label", "Actual value (Array(T))."}};
+    FunctionDocumentation::ReturnedValue doc_returned_value = "A tuple containing the Gini coefficients of the predicted values, the Gini coefficient of the normalized values, and the normalized Gini coefficient (= the ratio of the former two Gini coefficients).";
     FunctionDocumentation::Examples doc_examples
         = {{"Example",
             "SELECT arrayNormalizedGini([0.9, 0.3, 0.8, 0.7],[6, 1, 0, 2]);",