Update faq.adoc

Don't suggest people disable debuginfo, and explain why

1 files changed, 2 insertions, 1 deletions

diff --git a/docs/modules/ROOT/pages/faq.adoc b/docs/modules/ROOT/pages/faq.adoc
index 147f119b0..bf061d978 100644
--- a/docs/modules/ROOT/pages/faq.adoc
+++ b/docs/modules/ROOT/pages/faq.adoc
@@ -44,11 +44,12 @@ The first step to managing your binary size is to set up your link:https://doc.r
 [source,toml]
 ----
 [profile.release]
-debug = false
 lto = true
 opt-level = "s"
 incremental = false
 codegen-units = 1
+# note: debug = true is okay - debuginfo isn't flashed to the device!
+debug = true
 ----
 
 All of these flags are elaborated on in the Rust Book page linked above.