Be consistent with backticks

Author: Kate Osborn

site/content/how-to/traffic-management/upstream-settings.md

@@ -193,28 +193,28 @@ EOF
 
 Test the configuration:
 
-You can send traffic to the coffee and tea applications using the external IP address and port for NGINX Gateway Fabric.
+You can send traffic to the `coffee` and `tea` applications using the external IP address and port for NGINX Gateway Fabric.
 
-Send a request to coffee:
+Send a request to `coffee`:
 
 ```shell
 curl --resolve cafe.example.com:$GW_PORT:$GW_IP http://cafe.example.com:$GW_PORT/coffee
 ```
 
-This request should receive a response from the coffee Pod:
+This request should receive a response from the `coffee` Pod:
 
 ```text
 Server address: 10.244.0.9:8080
 Server name: coffee-76c7c85bbd-cf8nz
 ```
 
-Send a request to tea:
+Send a request to `tea`:
 
 ```shell
 curl --resolve cafe.example.com:$GW_PORT:$GW_IP http://cafe.example.com:$GW_PORT/tea
  ```
 
-This request should receive a response from the tea Pod:
+This request should receive a response from the `tea` Pod:
 
 ```text
 Server address: 10.244.0.9:8080
@@ -377,7 +377,7 @@ upstream default_coffee_80 {
 }
 ```
 
-Notice, that the tea upstream does not contain the `keepalive` directive, since the `upstream-keepalives` policy does not target the tea service:
+Notice, that the `tea` upstream does not contain the `keepalive` directive, since the `upstream-keepalives` policy does not target the `tea` service:
 
 ```text
 upstream default_tea_80 {