diff --git a/boa/src/builtins/function_object.rs b/boa/src/builtins/function_object.rs
index f90d4b3e2bf..0b226883b01 100644
--- a/boa/src/builtins/function_object.rs
+++ b/boa/src/builtins/function_object.rs
@@ -37,14 +37,14 @@ pub struct Function {
     pub internal_slots: Box<HashMap<String, Value>>,
     /// Properties
     pub properties: Box<HashMap<String, Property>>,
-    // Function Kind
+    /// Function Kind
     pub function_kind: FunctionKind,
-    // is constructor??
+    /// is constructor??
     pub is_constructor: bool,
 }
 
 impl Function {
-    // https://tc39.es/ecma262/#sec-functionallocate
+    /// https://tc39.es/ecma262/#sec-functionallocate
     pub fn allocate(proto: Value, mut kind: FunctionKind) -> Function {
         let needs_construct: bool;
 
diff --git a/boa/src/builtins/number/mod.rs b/boa/src/builtins/number/mod.rs
index 74bc723a5a1..3195d14ef75 100644
--- a/boa/src/builtins/number/mod.rs
+++ b/boa/src/builtins/number/mod.rs
@@ -23,7 +23,10 @@ fn to_number(value: &Value) -> Value {
                 to_value(0)
             }
         }
-        ValueData::Function(_) | ValueData::Symbol(_) | ValueData::Undefined => to_value(f64::NAN),
+        ValueData::FunctionObj(_)
+        | ValueData::Function(_)
+        | ValueData::Symbol(_)
+        | ValueData::Undefined => to_value(f64::NAN),
         ValueData::Integer(i) => to_value(f64::from(i)),
         ValueData::Object(ref o) => (o).deref().borrow().get_internal_slot("NumberData"),
         ValueData::Null => to_value(0),