README: D3 v5 -> v7

kbroman · Aug 5, 2021 · ccb5971 · ccb5971
1 parent 4ee8c81
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Showing 1 changed file with 2 additions and 2 deletions.
diff --git a/README.md b/README.md
@@ -9,8 +9,8 @@ be combined into larger multi-panel charts.  They were developed for
 the [R/qtlcharts](https://kbroman.org/qtlcharts) package.
 
 Note that d3panels uses
-[D3 version 5](https://github.com/d3/d3/blob/master/API.md).
-(It should also work with version 4.)
+[D3 version 7](https://github.com/d3/d3/blob/master/API.md).
+(It should also work with version 6.)
 
 There are other libraries with similar goals that are of more general
 use (e.g., [C3.js](https://c3js.org)); see