[PATCH v2 2/2] Makefile: improve comment documentation for the rust-analyzer target

[John Hubbard]

Replace the cryptic phrase ("IDE support targets") that initially
appears to be about how to support old hard drives, with a few sentences
that explain what "make rust-analyzer" provides.

Cc: Alice Ryhl <aliceryhl@xxxxxxxxxx>
Cc: Miguel Ojeda <ojeda@xxxxxxxxxx>
Signed-off-by: John Hubbard <jhubbard@xxxxxxxxxx>
---
 Makefile | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/Makefile b/Makefile
index 07308277a6f5..d22491184af6 100644
--- a/Makefile
+++ b/Makefile
@@ -1967,7 +1967,9 @@ quiet_cmd_tags = GEN     $@
 tags TAGS cscope gtags: FORCE
 	$(call cmd,tags)
 
-# IDE support targets
+# Generate rust-project.json, which does for Rust what clangd's
+# compile_commands.json does for C/C++: provides a symbol browsing database for
+# code editors and IDEs (Integrated Development Environments).
 PHONY += rust-analyzer
 rust-analyzer:
 	$(Q)$(CONFIG_SHELL) $(srctree)/scripts/rust_is_available.sh
-- 
2.45.2