Fix a couple of typos

Author: bjee19

content/ngf/how-to/monitoring/tracing.md

@@ -252,7 +252,7 @@ EOF
 
 After creating the Gateway resource, NGINX Gateway Fabric will provision an NGINX Pod and Service fronting it to route traffic.
 
-Save the public IP address and port of NGINX Gateway Fabric into shell variables:
+Save the public IP address and port of the NGINX Service into shell variables:
 
 ```text
 GW_IP=XXX.YYY.ZZZ.III

content/ngf/how-to/traffic-management/snippets.md

@@ -78,7 +78,7 @@ We have outlined a few best practices to keep in mind when using `SnippetsFilter
 
 After creating the Gateway resource, NGINX Gateway Fabric will provision an NGINX Pod and Service fronting it to route traffic.
 
-- Save the public IP address and port of NGINX Gateway Fabric into shell variables:
+- Save the public IP address and port of the NGINX Service into shell variables:
 
   ```text
   GW_IP=<ip address>