Update selections.md

LiamConnors · LiamConnors · commit 222b3b205108 · 2022-07-22T12:58:58.000-04:00
diff --git a/doc/python/selections.md b/doc/python/selections.md
@@ -32,7 +32,7 @@ jupyter:
     thumbnail: thumbnail/make_selection.jpg
 ---
 
-## Adding Selections to Cartesian subplots
+## Adding Selections to Cartesian Subplots
 
 *New in 5.10*
 
