Merge pull request #959 from osa1/pointer_cast_typo

Fix typo in type cast expression table

src/expressions/operator-expr.md

@@ -343,7 +343,7 @@ well as the following additional casts. Here `*T` means either `*const T` or
 | `bool` or `char` | Integer type | Primitive to integer cast |
 | `u8` | `char` | `u8` to `char` cast |
 | `*T` | `*V` where `V: Sized` \* | Pointer to pointer cast |
-| `*T` where `T: Sized` | Numeric type | Pointer to address cast |
+| `*T` where `T: Sized` | Integer type | Pointer to address cast |
 | Integer type | `*V` where `V: Sized` | Address to pointer cast |
 | `&[T; n]` | `*const T` | Array to pointer cast |
 | [Function item] | [Function pointer] | Function item to function pointer cast |