Update src/config.jl

Author: ChrisRackauckas

src/config.jl

@@ -32,7 +32,7 @@ instead of the full type, which makes stacktraces / types easier to
 read while still providing good resilience to perturbation confusion.
 struct SmallTag{H}
 end
-
+"""
 @generated function tagcount(::Type{SmallTag{H}}) where {H}
     :($(Threads.atomic_add!(TAGCOUNT, UInt(1))))
 end