typo

Author: Fil

README.md

@@ -213,7 +213,7 @@ const plot1 = Plot.plot(…);
 const plot2 = Plot.plot({…, color: plot1.scale("color")});
 ```
 
-The returned scale object represents the actual (or “materialized”) values encountered in the plot, including the domain, range, interpolate function, *etc.* The scale’s label, if any, is also returned; however, note that other axis properties are not currently exposed. The scale object is undefined if there is the associated plot has scale with the given *name*, and throws an error if the *name* is invalid (*i.e.*, not one of the known scale names: *x*, *y*, *fx*, *fy*, *r*, *color*, or *opacity*).
+The returned scale object represents the actual (or “materialized”) values encountered in the plot, including the domain, range, interpolate function, *etc.* The scale’s label, if any, is also returned; however, note that other axis properties are not currently exposed. The scale object is undefined if the associated plot has no scale with the given *name*, and throws an error if the *name* is invalid (*i.e.*, not one of the known scale names: *x*, *y*, *fx*, *fy*, *r*, *color*, or *opacity*).
 
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