proper length heading line for .rst

jcalbert · jcalbert · commit f924d4d6ba9b · 2019-04-26T17:20:27.000-04:00
diff --git a/doc/users/next_whats_new/errorbar_offsets.rst b/doc/users/next_whats_new/errorbar_offsets.rst
@@ -1,5 +1,5 @@
 Errorbar plots can shift which points have error bars
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+-----------------------------------------------------
 
 Previously, `plt.errorbar()` accepted a kwarg `errorevery` such that the
 command `plt.errorbar(x, y, yerr, errorevery=6)` would add error bars to
