Minor modif in toy data example

Author: Vianney Taquet

README.rst

@@ -111,8 +111,8 @@ The estimated prediction intervals can then be plotted as follows.
     plt.plot(X[order], y_pis[order][:, 1, 1], color="C1", ls="--")
     plt.fill_between(
         X[order].ravel(),
-        y_pis[:, 0, 0][order].ravel(),
-        y_pis[:, 1, 0][order].ravel(),
+        y_pis[order][:, 0, 0].ravel(),
+        y_pis[order][:, 1, 0].ravel(),
         alpha=0.2
     )
     coverage_scores = [

doc/quick_start.rst

@@ -81,8 +81,8 @@ The estimated prediction intervals can then be plotted as follows.
     plt.plot(X[order], y_pis[order][:, 1, 1], color="C1", ls="--")
     plt.fill_between(
         X[order].ravel(),
-        y_pis[:, 0, 0][order].ravel(),
-        y_pis[:, 1, 0][order].ravel(),
+        y_pis[order][:, 0, 0].ravel(),
+        y_pis[order][:, 1, 0].ravel(),
         alpha=0.2
     )
     plt.title(