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-rw-r--r--doc/il.txt2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/il.txt b/doc/il.txt
index 14bd0c8..9179eda 100644
--- a/doc/il.txt
+++ b/doc/il.txt
@@ -709,7 +709,7 @@ single-precision floating point number `%f` into `%rs`.
 ~~~~~~
 
     `bnf
-    CALL := %IDENT '=' ( BASETY | :IDENT ) 'call' VAL PARAMS
+    CALL := [ %IDENT '=' ( BASETY | :IDENT ) ] 'call' VAL PARAMS
 
     PARAMS := '(' ( (BASETY | :IDENT) %IDENT ), ')'