Update README.md

README.md

@@ -1,7 +1,7 @@
 # CTA for ESP32
 ## Notes
 ### CTA API interface
-The CTA API can be fairly trivially queries to get a JSON response with the required metadata.
+The CTA API can be fairly trivially queried to get a JSON response with the required metadata.
 - Docs are available here: https://www.transitchicago.com/developers/ttdocs/
 - API consists of two main queries
     - 'Arrivals' - which lets you query all arrivals for a station available at https://lapi.transitchicago.com/api/1.0/ttarrivals.aspx
@@ -48,7 +48,7 @@ The CTA API can be fairly trivially queries to get a JSON response with the requ
 
 ![Example Return](imgs/screenshot2.jpg)
 
-- The Locations API install returns all trains along a route.
+- The Locations API instead returns all trains along a route.
 - In the above example, we have an array of all trains, starting at the top of the tree, we can pick each like you would in a folder. Some pseudocode:
     - Say return json is output.json which = https://lapi.transitchicago.com/api/1.0/ttpositions.aspx?key=<KEYID>&rt=Blue&outputType=JSON
     - `output->tmst` gives us the time we made this query, this is handy to find the current time.
@@ -64,11 +64,11 @@ The CTA API can be fairly trivially queries to get a JSON response with the requ
 
 So example pseudocode:
 ```
-# Create a simple 2D array of all stations (imagine table with two columns) and when the next train arrives. Let's set arrival time to 999 for now (i.e. not any time soon).
+# Create a simple 2D array of all stations (imagine table with two columns) and when the next train arrives. Let's set arrival time to 2199-01-01 for now (i.e. not any time soon).
 # We can use the station number instead of the name to keep code simpler (don't have to deal with spaces or symbols)
 stations_eta = <array>
-stations_eta[40380] = 999
-stations_eta[40390] = 999
+stations_eta[40380] = 2199-01-01
+stations_eta[40390] = 2199-01-01
 .... etc ....
 
 # Get route data in JSON format
@@ -84,7 +84,8 @@ time_now = output->tmst
 for train in output->ctatt->route->0->train:
    # 'train' will now refer to the first train in the folder, aka 0. 
    # So we can save the next stop of the train 
-   next_stop = train->nextStaId
+   statiom_eta[next_stop] = train->nextStaId
+   
    # The time of the next stop
    time_to_stop = train->arrT
    # Get the time difference.