docs: add pl-waw-1 in region/zone guide (#671)

Author: remyleone

docs/guides/regions_and_zones.md

@@ -8,16 +8,19 @@ description: |-
 
 Scaleway's products are deployed across multiple datacenter in the world.
 
-For technical and legal reasons, some products are splitted by Region or by Availability Zones. When using such product, you can choose the location that better fits your need (country, latency, ...).
+For technical and legal reasons, some products are splitted by Region or by Availability Zones.
+When using such product, you can choose the location that better fits your need (country, latency, ...).
 
 ## Regions
 
-A Region is represented as a Geographical area such as France (Paris: `fr-par`) or the Netherlands (Amsterdam: `nl-ams`). It can contain multiple Availability Zones.
+A Region is represented as a Geographical area such as France (Paris: `fr-par`) or the Netherlands (Amsterdam: `nl-ams`).
+It can contain multiple Availability Zones.
 
 
 ## Zones
 
-In order to deploy highly available application, a region can be splitted in many Availability Zones (AZ). Latency between multiple AZ of the same region are low as they have a common network layer.
+In order to deploy highly available application, a region can be splitted in many Availability Zones (AZ).
+Latency between multiple AZ of the same region are low as they have a common network layer.
 
 List of availability zones by regions:
 
@@ -26,12 +29,14 @@ List of availability zones by regions:
     - `fr-par-2`
 - The Netherlands - Amsterdam (`nl-ams`)
     - `nl-ams-1`
+- Poland - Warsaw (`pl-waw`)
+    - `pl-waw-1`
 
 ## Resource IDs
 
 To save this notion of regions and zones in the state, all the Terraform IDs of Scaleway contain the region or zone.
-This is saved in the following format: `{zone|region}/{resource_id}`. Where `zone` or `region` is the place where the resource is created and where `resource_id` is the ID that is used on Scaleway's console/API.
-
+This is saved in the following format: `{zone|region}/{resource_id}`.
+Where `zone` or `region` is the place where the resource is created and where `resource_id` is the ID that is used on Scaleway's console/API.
 
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