Set the date of the v1.1 release in CHANGELOG.md

I should have done this in PR bigchaindb#1744 but I forgot.
sshyran · Sep 26, 2017 · 1337944 · 1337944
1 parent dee9be3
commit 1337944
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/CHANGELOG.md b/CHANGELOG.md
@@ -33,7 +33,7 @@ For reference, the possible headings are:
 * **Notes**
 
 
-## [1.1] - 2017-09-??????
+## [1.1] - 2017-09-26
 Tag name: v1.1.0
 
 ### Added