diff --git a/docs/en/sql-reference/aggregate-functions/reference/quantileApprox.md b/docs/en/sql-reference/aggregate-functions/reference/quantileApprox.md
index d725c982af0..788f4754324 100644
--- a/docs/en/sql-reference/aggregate-functions/reference/quantileApprox.md
+++ b/docs/en/sql-reference/aggregate-functions/reference/quantileApprox.md
@@ -1,9 +1,9 @@
 ---
-slug: /en/sql-reference/aggregate-functions/reference/quantileGK
+slug: /en/sql-reference/aggregate-functions/reference/quantileApprox
 sidebar_position: 204
 ---
 
-# quantileGK
+# quantileApprox
 
 Computes the [quantile](https://en.wikipedia.org/wiki/Quantile) of a numeric data sequence using the [Greenwald-Khanna](http://infolab.stanford.edu/~datar/courses/cs361a/papers/quantiles.pdf) algorithm.
 
@@ -11,10 +11,10 @@ Computes the [quantile](https://en.wikipedia.org/wiki/Quantile) of a numeric dat
 **Syntax**
 
 ``` sql
-quantileGK(accuracy, level)(expr)
+quantileApprox(accuracy, level)(expr)
 ```
 
-Alias: `medianGK`.
+Alias: `medianApprox`.
 
 **Arguments**
 
@@ -40,12 +40,12 @@ Type:
 
 ``` sql
 WITH arrayJoin([0, 6, 7, 9, 10]) AS x
-SELECT quantileGK(100, 0.5)(x)
+SELECT quantileApprox(100, 0.5)(x)
 
 
-┌─quantileGK(100, 0.5)(x)─┐
-│                       7 │
-└─────────────────────────┘
+┌─quantileApprox(100, 0.5)(x)─┐
+│                           7 │
+└──────────────----───────────┘
 ```
 
 
diff --git a/docs/en/sql-reference/aggregate-functions/reference/quantiles.md b/docs/en/sql-reference/aggregate-functions/reference/quantiles.md
index 3ad64c111db..ec5855397ce 100644
--- a/docs/en/sql-reference/aggregate-functions/reference/quantiles.md
+++ b/docs/en/sql-reference/aggregate-functions/reference/quantiles.md
@@ -115,14 +115,14 @@ Result:
 └─────────────────────────────────────────────────────────────────────┘
 ```
 
-## quantilesGK
+## quantilesApprox
 
 Exactly computes the [quantiles](https://en.wikipedia.org/wiki/Quantile) of a numeric data sequence using the [Greenwald-Khanna](https://dl.acm.org/doi/10.1145/375663.375670) algorithm.
 
 **Syntax**
 
 ``` sql
-quantilesGK(accuracy, level1, level2, ...)(expr)
+quantilesApprox(accuracy, level1, level2, ...)(expr)
 ```
 
 **Arguments**
@@ -152,9 +152,9 @@ Query:
 
 ``` sql
 WITH arrayJoin([0, 6, 7, 9, 10]) AS x
-SELECT quantilesGK(100, 0.1, 0.2, 0.3)(x)
+SELECT quantilesApprox(100, 0.1, 0.2, 0.3)(x)
 
-┌─quantilesGK(100, 0.1, 0.2, 0.3)(x)─┐
-│ [0,0,6]                            │
-└────────────────────────────────────┘
+┌─quantilesApprox(100, 0.1, 0.2, 0.3)(x)─┐
+│ [0,0,6]                                │
+└────────────────────────────────────────┘
 ```