diff --git a/gtfs/spec/en/reference.md b/gtfs/spec/en/reference.md
index 05d341ea8..453ead1e7 100644
--- a/gtfs/spec/en/reference.md
+++ b/gtfs/spec/en/reference.md
@@ -109,11 +109,11 @@ This specification defines the following files:
 |  [calendar_dates.txt](#calendar_datestxt)  | **Conditionally Required** | Exceptions for the services defined in the [calendar.txt](#calendartxt). <br><br>Conditionally Required:<br> - **Required** if [calendar.txt](#calendartxt) is omitted. In which case [calendar_dates.txt](#calendar_datestxt) must contain all dates of service. <br> - Optional otherwise. |
 |  [fare_attributes.txt](#fare_attributestxt)  | Optional | Fare information for a transit agency's routes. |
 |  [fare_rules.txt](#fare_rulestxt) | Optional | Rules to apply fares for itineraries. | 
-|  [fare_products.txt](#fare_productstxt)  | Optional | To describe the different types of tickets or fares that can be purchased by riders.<br><br>File [fare_products.txt](fare_productstxt) describes fare products that are not represented in [fare_attributes.txt](#fare_attributestxt) and [fare_rules.txt](#fare_rulestxt). As such, the use of [fare_products.txt](#fare_productstxt) is entirely separate from files [fare_attributes.txt](#fare_attributestxt) and [fare_rules.txt](#fare_rulestxt). |
+|  [fare_products.txt](#fare_productstxt)  | Optional | To describe the different types of tickets or fares that can be purchased by riders.<br><br>File [fare_products.txt](#fare_productstxt) describes fare products that are not represented in [fare_attributes.txt](#fare_attributestxt) and [fare_rules.txt](#fare_rulestxt). As such, the use of [fare_products.txt](#fare_productstxt) is entirely separate from files [fare_attributes.txt](#fare_attributestxt) and [fare_rules.txt](#fare_rulestxt). |
 |  [fare_leg_rules.txt](#fare_leg_rulestxt)  | Optional | Fare rules for individual legs of travel.<br><br>File [fare_leg_rules.txt](#fare_leg_rulestxt) provides a more detailed method for modeling fare structures. As such, the use of [fare_leg_rules.txt](#fare_leg_rulestxt) is entirely separate from files [fare_attributes.txt](#fare_attributestxt) and [fare_rules.txt](#fare_rulestxt). |
 |  [fare_transfer_rules.txt](#fare_transfer_rulestxt)  | Optional | Fare rules for transfers between legs of travel.<br><br>Along with [fare_leg_rules.txt](#fare_leg_rulestxt), file [fare_transfer_rules.txt](#fare_transfer_rulestxt) provides a more detailed method for modeling fare structures. As such, the use of [fare_transfer_rules.txt](#fare_transfer_rulestxt) is entirely separate from files [fare_attributes.txt](#fare_attributestxt) and [fare_rules.txt](#fare_rulestxt). |
-|  [areas.txt](areastxt) | Optional | Area grouping of locations. |
-|  [stop_areas.txt](stop_areastxt) | Optional | Rules to assign stops to areas. |
+|  [areas.txt](#areastxt) | Optional | Area grouping of locations. |
+|  [stop_areas.txt](#stop_areastxt) | Optional | Rules to assign stops to areas. |
 |  [shapes.txt](#shapestxt)  | Optional | Rules for mapping vehicle travel paths, sometimes referred to as route alignments. |
 |  [frequencies.txt](#frequenciestxt)  | Optional | Headway (time between trips) for headway-based service or a compressed representation of fixed-schedule service. |
 |  [transfers.txt](#transferstxt)  | Optional | Rules for making connections at transfer points between routes. |