LibJS: Fix incorrectly formatted section comments

A couple of missing URLs, spaces, and a stray comma.

Userland/Libraries/LibJS/Runtime/Intl/ListFormat.cpp

@@ -209,7 +209,7 @@ Vector<PatternPartition> create_parts_from_list(ListFormat const& list_format, V
     return parts;
 }
 
-// 13.1.3 FormatList ( listFormat, list )
+// 13.1.3 FormatList ( listFormat, list ), https://tc39.es/ecma402/#sec-formatlist
 String format_list(ListFormat const& list_format, Vector<String> const& list)
 {
     // 1. Let parts be CreatePartsFromList(listFormat, list).

Userland/Libraries/LibJS/Runtime/Object.cpp

@@ -88,7 +88,7 @@ ThrowCompletionOr<Value> Object::get(PropertyKey const& property_name) const
     return TRY(internal_get(property_name, this));
 }
 
-// 7.3.3 GetV ( V, P ) is defined as Value::get().
+// NOTE: 7.3.3 GetV ( V, P ) is implemented as Value::get().
 
 // 7.3.4 Set ( O, P, V, Throw ), https://tc39.es/ecma262/#sec-set-o-p-v-throw
 ThrowCompletionOr<bool> Object::set(PropertyKey const& property_name, Value value, ShouldThrowExceptions throw_exceptions)

Userland/Libraries/LibJS/Runtime/StringObject.cpp

@@ -43,7 +43,7 @@ void StringObject::visit_edges(Cell::Visitor& visitor)
     visitor.visit(&m_string);
 }
 
-// 10.4.3.5 StringGetOwnProperty ( S, P ),https://tc39.es/ecma262/#sec-stringgetownproperty
+// 10.4.3.5 StringGetOwnProperty ( S, P ), https://tc39.es/ecma262/#sec-stringgetownproperty
 static Optional<PropertyDescriptor> string_get_own_property(GlobalObject& global_object, StringObject const& string, PropertyKey const& property_name)
 {
     // 1. Assert: S is an Object that has a [[StringData]] internal slot.

Userland/Libraries/LibJS/Runtime/Temporal/Calendar.cpp

@@ -75,7 +75,7 @@ ThrowCompletionOr<Calendar*> get_builtin_calendar(GlobalObject& global_object, S
     return static_cast<Calendar*>(TRY(construct(global_object, *global_object.temporal_calendar_constructor(), move(arguments))));
 }
 
-// 12.1.4 GetISO8601Calendar ( )
+// 12.1.4 GetISO8601Calendar ( ), https://tc39.es/proposal-temporal/#sec-temporal-getiso8601calendar
 Calendar* get_iso8601_calendar(GlobalObject& global_object)
 {
     // 1. Return ! GetBuiltinCalendar("iso8601").

Userland/Libraries/LibJS/Runtime/Temporal/Duration.cpp

@@ -1119,7 +1119,7 @@ ThrowCompletionOr<RoundedDuration> round_duration(GlobalObject& global_object, d
     return RoundedDuration { .years = years, .months = months, .weeks = weeks, .days = days, .hours = hours, .minutes = minutes, .seconds = seconds, .milliseconds = milliseconds, .microseconds = microseconds, .nanoseconds = nanoseconds, .remainder = remainder };
 }
 
-// 7.5.20 ToLimitedTemporalDuration ( temporalDurationLike, disallowedFields ),https://tc39.es/proposal-temporal/#sec-temporal-tolimitedtemporalduration
+// 7.5.20 ToLimitedTemporalDuration ( temporalDurationLike, disallowedFields ), https://tc39.es/proposal-temporal/#sec-temporal-tolimitedtemporalduration
 ThrowCompletionOr<TemporalDuration> to_limited_temporal_duration(GlobalObject& global_object, Value temporal_duration_like, Vector<StringView> const& disallowed_fields)
 {
     auto& vm = global_object.vm();

Userland/Libraries/LibJS/Runtime/Temporal/PlainDateTime.cpp

@@ -270,7 +270,7 @@ ThrowCompletionOr<PlainDateTime*> create_temporal_date_time(GlobalObject& global
     return object;
 }
 
-// 5.5.7 TemporalDateTimeToString ( isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond, calendar, precision, showCalendar ), , https://tc39.es/proposal-temporal/#sec-temporal-temporaldatetimetostring
+// 5.5.7 TemporalDateTimeToString ( isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, nanosecond, calendar, precision, showCalendar ), https://tc39.es/proposal-temporal/#sec-temporal-temporaldatetimetostring
 ThrowCompletionOr<String> temporal_date_time_to_string(GlobalObject& global_object, i32 iso_year, u8 iso_month, u8 iso_day, u8 hour, u8 minute, u8 second, u16 millisecond, u16 microsecond, u16 nanosecond, Value calendar, Variant<StringView, u8> const& precision, StringView show_calendar)
 {
     // 1. Assert: isoYear, isoMonth, isoDay, hour, minute, second, millisecond, microsecond, and nanosecond are integers.
@@ -294,7 +294,7 @@ ThrowCompletionOr<String> temporal_date_time_to_string(GlobalObject& global_obje
     return String::formatted("{}-{:02}-{:02}T{:02}:{:02}{}{}", pad_iso_year(iso_year), iso_month, iso_day, hour, minute, seconds, calendar_string);
 }
 
-// 5.5.8 CompareISODateTime ( y1, mon1, d1, h1, min1, s1, ms1, mus1, ns1, y2, mon2, d2, h2, min2, s2, ms2, mus2, ns2 ),https://tc39.es/proposal-temporal/#sec-temporal-compareisodatetime
+// 5.5.8 CompareISODateTime ( y1, mon1, d1, h1, min1, s1, ms1, mus1, ns1, y2, mon2, d2, h2, min2, s2, ms2, mus2, ns2 ), https://tc39.es/proposal-temporal/#sec-temporal-compareisodatetime
 i8 compare_iso_date_time(i32 year1, u8 month1, u8 day1, u8 hour1, u8 minute1, u8 second1, u16 millisecond1, u16 microsecond1, u16 nanosecond1, i32 year2, u8 month2, u8 day2, u8 hour2, u8 minute2, u8 second2, u16 millisecond2, u16 microsecond2, u16 nanosecond2)
 {
     // 1. Assert: y1, mon1, d1, h1, min1, s1, ms1, mus1, ns1, y2, mon2, d2, h2, min2, s2, ms2, mus2, and ns2 are integers.