message: add a note to the reference
diff: @@ -100,7 +100,7 @@ check-revoke = true # Indicates whether SSL certs are checked for revocation
  jobs = 1 # number of parallel jobs, defaults to # of CPUs
  rustc = "rustc" # the rust compiler tool
  rustdoc = "rustdoc" # the doc generator tool
  -target = "triple" # build for the target triple
  +target = "triple" # build for the target triple (ignored by `cargo install`)
  target-dir = "target" # path of where to place all generated artifacts
  rustflags = ["..", ".."] # custom flags to pass to all compiler invocations
  incremental = true # whether or not to enable incremental compilation
  