Update HISTORY.md

Add missing end quote. :)
mlpack · Apr 15, 2020 · 5b5da69 · 5b5da69
1 parent 2615335
commit 5b5da69
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/HISTORY.md b/HISTORY.md
@@ -1,4 +1,4 @@
-### ensmallen ?.??.?: "???
+### ensmallen ?.??.?: "???"
 ###### ????-??-??
  * ...