diff --git a/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml b/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
index 3694795ec793..c17cdff6174f 100644
--- a/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
+++ b/Documentation/devicetree/bindings/pinctrl/qcom,sm8450-lpass-lpi-pinctrl.yaml
@@ -58,7 +58,7 @@ patternProperties:
           List of gpio pins affected by the properties specified in this
           subnode.
         items:
-          pattern: "^gpio([0-9]|[1-2][0-9]])$"
+          pattern: "^gpio([0-9]|[1-2][0-9])$"
 
       function:
         enum: [ swr_tx_clk, swr_tx_data, swr_rx_clk, swr_rx_data,