diff --git a/config.example.toml b/config.example.toml
index 14e0b9d521f..f6e7eff3752 100644
--- a/config.example.toml
+++ b/config.example.toml
@@ -323,6 +323,7 @@ change-id = 118703
 #    "rustdoc",
 #    "rustfmt",
 #    "rust-analyzer",
+#    "rust-analyzer-proc-macro-srv",
 #    "analysis",
 #    "src",
 #    "rust-demangler",  # if profiler = true