diff --git a/libs/orders/src/lib/order-hooks/use-order-validation.spec.tsx b/libs/orders/src/lib/order-hooks/use-order-validation.spec.tsx
index 332449d25..972952f79 100644
--- a/libs/orders/src/lib/order-hooks/use-order-validation.spec.tsx
+++ b/libs/orders/src/lib/order-hooks/use-order-validation.spec.tsx
@@ -78,7 +78,7 @@ const ERROR = {
   FIELD_SIZE_MIN: `The amount cannot be lower than "${defaultOrder.step}"`,
   FIELD_PRICE_REQ: 'You need to provide a price',
   FIELD_PRICE_MIN: 'The price cannot be negative',
-  FIELD_PRICE_STEP_NULL: 'Order sizes must be whole numbers for this market',
+  FIELD_PRICE_STEP_NULL: 'Order sizes must be in whole numbers for this market',
   FIELD_PRICE_STEP_DECIMAL: `The amount field accepts up to ${market.positionDecimalPlaces} decimal places`,
 };
 
diff --git a/libs/orders/src/lib/order-hooks/use-order-validation.tsx b/libs/orders/src/lib/order-hooks/use-order-validation.tsx
index 7d87e522a..ed4585b52 100644
--- a/libs/orders/src/lib/order-hooks/use-order-validation.tsx
+++ b/libs/orders/src/lib/order-hooks/use-order-validation.tsx
@@ -204,7 +204,7 @@ export const useOrderValidation = ({
       if (market.positionDecimalPlaces === 0) {
         return {
           isDisabled: true,
-          message: t('Order sizes must be whole numbers for this market'),
+          message: t('Order sizes must be in whole numbers for this market'),
         };
       }
       return {