diff --git a/Makefile b/Makefile
index de5be3845c70..fea263aaa492 100644
--- a/Makefile
+++ b/Makefile
@@ -1966,7 +1966,9 @@ quiet_cmd_tags = GEN     $@
 tags TAGS cscope gtags: FORCE
 	$(call cmd,tags)
 
-# IDE support targets
+# Generate rust-project.json (a file that describes the structure of non-Cargo
+# Rust projects) for rust-analyzer (an implementation of the Language Server
+# Protocol).
 PHONY += rust-analyzer
 rust-analyzer:
 	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh