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-rw-r--r--lib/syntax_tools/src/erl_syntax.erl4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/syntax_tools/src/erl_syntax.erl b/lib/syntax_tools/src/erl_syntax.erl
index a40bf83c5a..9df5f26454 100644
--- a/lib/syntax_tools/src/erl_syntax.erl
+++ b/lib/syntax_tools/src/erl_syntax.erl
@@ -1818,7 +1818,7 @@ char_value(Node) ->
%%
%% @see char/1
--spec char_literal(syntaxTree()) -> string().
+-spec char_literal(syntaxTree()) -> nonempty_string().
char_literal(Node) ->
io_lib:write_char(char_value(Node)).
@@ -1908,7 +1908,7 @@ string_value(Node) ->
%%
%% @see string/1
--spec string_literal(syntaxTree()) -> string().
+-spec string_literal(syntaxTree()) -> nonempty_string().
string_literal(Node) ->
io_lib:write_string(string_value(Node)).