diff --git a/docs/sqllab.rst b/docs/sqllab.rst
index efb5116f3..ab6dc47c1 100644
--- a/docs/sqllab.rst
+++ b/docs/sqllab.rst
@@ -128,7 +128,7 @@ can optionally specify a custom formatter. Eg:
 
 .. code-block:: python
 
-	def presto_query_cost_formatter(cost_estimate: List[Dict[str, float]]) -> List[Dict[str, str]]:
+    def presto_query_cost_formatter(cost_estimate: List[Dict[str, float]]) -> List[Dict[str, str]]:
         """
         Format cost estimate returned by Presto.
 
@@ -137,21 +137,21 @@ can optionally specify a custom formatter. Eg:
         """
         # Convert cost to dollars based on CPU and network cost. These coefficients are just
         # examples, they need to be estimated based on your infrastructure.
-		cpu_coefficient = 2e-12
-		network_coefficient = 1e-12
+        cpu_coefficient = 2e-12
+        network_coefficient = 1e-12
 
-		cost = 0
-		for row in cost_estimate:
-			cost += row.get("cpuCost", 0) * cpu_coefficient
-			cost += row.get("networkCost", 0) * network_coefficient
+        cost = 0
+        for row in cost_estimate:
+            cost += row.get("cpuCost", 0) * cpu_coefficient
+            cost += row.get("networkCost", 0) * network_coefficient
 
-		return [{"Cost": f"US$ {cost:.2f}"}]
+        return [{"Cost": f"US$ {cost:.2f}"}]
 
 
-	DEFAULT_FEATURE_FLAGS = {
-		"ESTIMATE_QUERY_COST": True,
-		"QUERY_COST_FORMATTERS_BY_ENGINE": {"presto": presto_query_cost_formatter},
-	}
+    DEFAULT_FEATURE_FLAGS = {
+        "ESTIMATE_QUERY_COST": True,
+        "QUERY_COST_FORMATTERS_BY_ENGINE": {"presto": presto_query_cost_formatter},
+    }
 
 .. _ref_ctas_engine_config: