#1044 update readme to add new layer

gis/gccview/README.md

@@ -76,6 +76,7 @@ The GCC pipeline will be pulling multiple layers into the `gis_core` and `gis` s
 |private_road|27|13|
 |school|28|17|
 |library|28|28|
+|pavement_asset|2|36|
 
 ## Data Pipeline
 
@@ -92,7 +93,7 @@ In the DAG file, the arguments for each layer are stored in dictionaries called
 ## Adding new layers to GCC Puller DAG
 1. Identify the mapserver_n and layer_id for the layer you wish to add. You can find COT transportation layers here: https://insideto-gis.toronto.ca/arcgis/rest/services/cot_geospatial2/FeatureServer, where mapserver_n is 2 and the layer_id is in brackets after the layer name.
 2. Add a new entry to "bigdata_layers" or "ptc_layers" dictionaries in airflow's variable depending on the destination database. 
-3. If is_audited = True, you must also add a primary key for the new layer to "pk_dict" in the corresponding airflow variable.
+3. If is_audited = True, you must also add a primary key for the new layer to "gcc_layers" in the corresponding airflow variable.
 
 ## Manually fetch layers