From 522434e4f9f0f35e222c6d692269c1295353926a Mon Sep 17 00:00:00 2001
From: Sergii Tkachenko <sergiitk@google.com>
Date: Thu, 7 Dec 2023 16:24:11 -0800
Subject: [PATCH] docs: service_config.md: fix pb syntax, add highlighting
 (#35232)

1. Protobuf doesn't support `//` comments, only `#`
2. Add syntax highlighting

Closes #35232

COPYBARA_INTEGRATE_REVIEW=https://github.com/grpc/grpc/pull/35232 from grpc:sergiitk-service_config e17a9ef14d201c63df047ae7543b0d47942fc527
PiperOrigin-RevId: 588943566
---
 doc/service_config.md | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)

diff --git a/doc/service_config.md b/doc/service_config.md
index 57f5e1989e820..6312cda7f6285 100644
--- a/doc/service_config.md
+++ b/doc/service_config.md
@@ -62,12 +62,12 @@ DNS](https://github.com/grpc/proposal/blob/master/A2-service-configs-in-dns.md).
 
 Here is an example service config in protobuf form:
 
-```
+```textproto
 {
-  // Use round_robin LB policy.
+  # Use round_robin LB policy.
   load_balancing_config: { round_robin: {} }
-  // This method config applies to method "foo/bar" and to all methods
-  // of service "baz".
+  # This method config applies to method "foo/bar" and to all methods
+  # of service "baz".
   method_config: {
     name: {
       service: "foo"
@@ -76,7 +76,7 @@ Here is an example service config in protobuf form:
     name: {
       service: "baz"
     }
-    // Default timeout for matching methods.
+    # Default timeout for matching methods.
     timeout: {
       seconds: 1
       nanos: 1
@@ -87,7 +87,7 @@ Here is an example service config in protobuf form:
 
 Here is the same example service config in JSON form:
 
-```
+```json
 {
   "loadBalancingConfig": [ { "round_robin": {} } ],
   "methodConfig": [