diff --git a/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberPeriodOverPeriod/controlPanel.ts b/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberPeriodOverPeriod/controlPanel.ts
index aac1c540c0e70..f6f81d98d75f3 100644
--- a/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberPeriodOverPeriod/controlPanel.ts
+++ b/superset-frontend/plugins/plugin-chart-echarts/src/BigNumber/BigNumberPeriodOverPeriod/controlPanel.ts
@@ -172,7 +172,7 @@ const config: ControlPanelConfig = {
               visibility: ({ controls }) =>
                 controls?.comparison_color_enabled?.value === true,
               description: t(
-                ' Adds color to the chart symbols based on the positive or' +
+                'Adds color to the chart symbols based on the positive or ' +
                   'negative change from the comparison value.',
               ),
             },