diff --git a/doc/md/examples/grammar.txt b/doc/md/examples/grammar.txt
index 9e20af6a947..5d20ddf28e0 100644
--- a/doc/md/examples/grammar.txt
+++ b/doc/md/examples/grammar.txt
@@ -336,6 +336,5 @@
 <prog> ::= 
     <list(<imp>, ';')> <list(<dec>, ';')> 
 
-    <list(<typ_dec>, ';')> 'actor' '(' '{' <list(<stab_field>, ';')> '}' ',' '{' <list(<stab_field>, ';')> '}' ')'
 
 
diff --git a/src/gen-grammar/grammar.sed b/src/gen-grammar/grammar.sed
index 45d4698f044..4f8be9b2b70 100644
--- a/src/gen-grammar/grammar.sed
+++ b/src/gen-grammar/grammar.sed
@@ -12,7 +12,7 @@ s/<id>/ID/g
 /^<parse_module_header> ::=/,+2d
 /^<stab_field> ::=/,+2d
 /^<typ_dec> ::=/,+2d
-/^<parse_stab_sig> ::=/,+2d
+/^<parse_stab_sig> ::=/,+5d
 /.*PRIM.*/d
 /^<bl> ::=/,+2d
 /^<ob> ::=/,+2d