de-parenthesize

Author: RalfJung

src/items/unions.md

@@ -41,10 +41,10 @@ Unions have no notion of an "active field". Instead, every union access just
 interprets the storage at the type of the field used for the access. Reading a
 union field reads the bits of the union at the field's type. It is the
 programmer's responsibility to make sure that the data is valid at that
-type. Failing to do so results in undefined behavior (for example, reading the
-value `3` at type `bool` is undefined behavior). Effectively, writing to and
-then reading from a union is equivalent to a [`transmute`] from the type used
-for writing to the type used for reading.
+type. Failing to do so results in undefined behavior. For example, reading the
+value `3` at type `bool` is undefined behavior. Effectively, writing to and then
+reading from a union is equivalent to a [`transmute`] from the type used for
+writing to the type used for reading.
 
 Consequently, all reads of union fields have to be placed in `unsafe` blocks: