clarity on externs

diff --git a/docs/language_overview.md b/docs/language_overview.md
index 0a993a6ff7b5c0fccfbd62585af70d438459e078..1e3475a166b5ccccf15d47860fbb06a0510edee5 100644 (file)
--- a/docs/language_overview.md
+++ b/docs/language_overview.md
@@ -62,7 +62,7 @@ This is useful for writing tests.
 Sorel supports calling other native code when it's statically linked into the same binary.
 Declare an externally-linked function using `extern function_name`.
 Then, you can call it like any other Sorel word.
 Sorel supports calling other native code when it's statically linked into the same binary.
 Declare an externally-linked function using `extern function_name`.
 Then, you can call it like any other Sorel word.

-To pass arguments, simply put them on the stack in the order that they appear in the function signature.
+Externally-linked functions cannot (currently) take arguments, but the data stack could be manipulated.

 Be careful with types.
 The return value is added to the stack once the function returns.
 
 Be careful with types.
 The return value is added to the stack once the function returns.