DOC: Small corrections

Author: bashtage

pandas/plotting/_misc.py

@@ -291,7 +291,7 @@ def andrews_curves(
         Axes to use.
     samples : int
         Number of points to plot in each curve.
-    color : {str, list, tuple}, optional
+    color : str, list[str] or tuple[str], optional
         Colors to use for the different classes. Colors can be strings
         or 3-element floating point RBG values.
     colormap : str or matplotlib colormap object, default None
@@ -476,8 +476,8 @@ def lag_plot(series: Series, lag: int = 1, ax: Axes | None = None, **kwds) -> Ax
     ----------
     series : Series
         The time series to visualize.
-    lag : int, optional
-        Lag length of the scatter plot, default 1.
+    lag : int, default 1
+        Lag length of the scatter plot.
     ax : Matplotlib axis object, optional
         The matplotlib axis object to use.
     **kwds