diff --git a/c/frame/to_csv.cc b/c/frame/to_csv.cc
index 6d72aa4ab6..28e2bc827b 100644
--- a/c/frame/to_csv.cc
+++ b/c/frame/to_csv.cc
@@ -45,7 +45,7 @@ static PKArgs args_to_csv(
     {"path", "quoting", "hex", "verbose", "_strategy"},
     "to_csv",
 
-R"(to_csv(self, path=None, *, quoting=csv.QUOTE_MINIMAL, hex=False,
+R"(to_csv(self, path=None, *, quoting="minimal", hex=False,
        verbose=False, _strategy="auto")
 --