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-rw-r--r--doc/lua_api.txt3
1 files changed, 2 insertions, 1 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index 12ea85345..cfc150edc 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -3275,7 +3275,8 @@ Helper functions
* Appends all values in `other_table` to `table` - uses `#table + 1` to
find new indices.
* `table.key_value_swap(t)`: returns a table with keys and values swapped
- * If multiple keys in `t` map to the same value, the result is undefined.
+ * If multiple keys in `t` map to the same value, it is unspecified which
+ value maps to that key.
* `table.shuffle(table, [from], [to], [random_func])`:
* Shuffles elements `from` to `to` in `table` in place
* `from` defaults to `1`