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-rw-r--r--lib/syntax_tools/src/erl_syntax.erl2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index d15ffb9b40..354b65c9a3 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -5185,7 +5185,7 @@ function_type(Type) ->
%% Arguments = [erl_parse()]
%% Type = erl_parse()
--spec function_type('any_arity' | syntaxTree(), syntaxTree()) -> syntaxTree().
+-spec function_type('any_arity' | [syntaxTree()], syntaxTree()) -> syntaxTree().
function_type(Arguments, Return) ->
tree(function_type,