Fix incorrect argument types

Author: Blargian

docs/en/sql-reference/aggregate-functions/reference/corr.md

@@ -26,8 +26,8 @@ corr(x, y)
 
 **Arguments**
 
-- `x` — first variable. [(U)Int*](../../data-types/int-uint.md), [Float*](../../data-types/float.md), [Decimal](../../data-types/decimal.md).
-- `y` — second variable. [(U)Int*](../../data-types/int-uint.md), [Float*](../../data-types/float.md), [Decimal](../../data-types/decimal.md).
+- `x` — first variable. [(U)Int*](../../data-types/int-uint.md), [Float*](../../data-types/float.md).
+- `y` — second variable. [(U)Int*](../../data-types/int-uint.md), [Float*](../../data-types/float.md).
 
 **Returned Value**