docs: minor comments update

PiperOrigin-RevId: 602824336

google/cloud/sql/v1beta4/cloud_sql_resources.proto

@@ -1332,22 +1332,22 @@ message IpConfiguration {
   google.protobuf.BoolValue enable_private_path_for_google_cloud_services = 7;
 
   // Specify how SSL/TLS is enforced in database connections. MySQL and
-  // PostgreSQL use the `ssl_mode` flag. If you must use the 'require_ssl' flag
+  // PostgreSQL use the `ssl_mode` flag. If you must use the `require_ssl` flag
   // for backward compatibility, then only the following value pairs are valid:
   //
   // * `ssl_mode=ALLOW_UNENCRYPTED_AND_ENCRYPTED` and `require_ssl=false`
   // * `ssl_mode=ENCRYPTED_ONLY` and `require_ssl=false`
   // * `ssl_mode=TRUSTED_CLIENT_CERTIFICATE_REQUIRED` and `require_ssl=true`
   //
   // The value of `ssl_mode` gets priority over the value of `require_ssl`. For
-  // example, for the pair `ssl_mode=ENCRYPTED_ONLY, require_ssl=false`, the
-  // ssl_mode=ENCRYPTED_ONLY` means "only accept SSL connections", while the
-  // `require_ssl=false` means "accept both non-SSL and SSL connections". MySQL
+  // example, for the pair `ssl_mode=ENCRYPTED_ONLY` and `require_ssl=false`,
+  // the `ssl_mode=ENCRYPTED_ONLY` means only accept SSL connections, while the
+  // `require_ssl=false` means accept both non-SSL and SSL connections. MySQL
   // and PostgreSQL databases respect `ssl_mode` in this case and accept only
   // SSL connections.
   //
   // SQL Server uses the `require_ssl` flag. You can set the value for this flag
-  // to 'true' or 'false'.
+  // to `true` or `false`.
   SslMode ssl_mode = 8;
 
   // PSC settings for this instance.