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-rw-r--r--doc/lua_api.txt4
1 files changed, 3 insertions, 1 deletions
diff --git a/doc/lua_api.txt b/doc/lua_api.txt
index aba01fa1d..7d568b6e1 100644
--- a/doc/lua_api.txt
+++ b/doc/lua_api.txt
@@ -4131,7 +4131,9 @@ It can be created via `Settings(filename)`.
#### Methods
* `get(key)`: returns a value
-* `get_bool(key)`: returns a boolean
+* `get_bool(key, [default])`: returns a boolean
+ * `default` is the value returned if `key` is not found.
+ * Returns `nil` if `key` is not found and `default` not specified.
* `get_np_group(key)`: returns a NoiseParams table
* `set(key, value)`
* Setting names can't contain whitespace or any of `="{}#`.