Update lambda-operator.md (#26893)

* Update lambda-operator.md

* Update docs/csharp/language-reference/operators/lambda-operator.md

Co-authored-by: Bill Wagner <[email protected]>

Author: Rick-Anderson

docs/csharp/language-reference/operators/lambda-operator.md

@@ -39,7 +39,14 @@ An expression body definition has the following general syntax:
 member => expression;
 ```
 
-where `expression` is a valid expression. The return type of `expression` must be implicitly convertible to the member's return type. If the member's return type is `void` or if the member is a constructor, a finalizer, or a property or indexer `set` accessor, `expression` must be a [*statement expression*](~/_csharplang/spec/statements.md#expression-statements). Because the expression's result is discarded, the return type of that expression can be any type.
+where `expression` is a valid expression. The return type of `expression` must be implicitly convertible to the member's return type. If the member:
+
+* Has a `void` return type:
+* Is a:
+  * Constructor
+  * Finalizer
+  * Property or indexer `set` accessor
+`expression` must be a [*statement expression*](~/_csharplang/spec/statements.md#expression-statements). Because the expression's result is discarded, the return type of that expression can be any type.
 
 The following example shows an expression body definition for a `Person.ToString` method: