docs: Add a quickfix to handle special capitalization cases

lib/vector-config-macros/src/configurable_component.rs

@@ -400,11 +400,26 @@ pub fn configurable_component_impl(args: TokenStream, item: TokenStream) -> Toke
     derived.into()
 }
 
+// Properly capitalize labels, accounting for some exceptions
+// TODO: Replace this with an explicit requirement for a "component_human_name" or similar.
 fn capitalize(s: &str) -> String {
     let mut iter = s.chars();
     match iter.next() {
         None => String::new(),
-        Some(first) => first.to_uppercase().collect::<String>() + iter.as_str(),
+        Some(first) => {
+            let name = first.to_uppercase().collect::<String>() + iter.as_str();
+            match name.as_str() {
+                "Amqp" | "Aws" | "Ec2" | "Ecs" | "Gcp" | "Hec" | "Http" | "Nats" | "Nginx"
+                | "Sqs" => name.to_uppercase(),
+                "Eventstoredb" => String::from("EventStoreDB"),
+                "Mongodb" => String::from("MongoDB"),
+                "Opentelemetry" => String::from("OpenTelemetry"),
+                "Postgresql" => String::from("PostgreSQL"),
+                "Pubsub" => String::from("Pub/Sub"),
+                "Statsd" => String::from("StatsD"),
+                _ => name,
+            }
+        }
     }
 }