fix wrong index entry

diff --git a/rockets/research/index.mdwn b/rockets/research/index.mdwn
index 9f015eeb15af4c9900f67fd8be78763519dcd348..04b88ea9c1f92e5678eb96d5a25a734b72782a68 100755 (executable)
--- a/rockets/research/index.mdwn
+++ b/rockets/research/index.mdwn
@@ -12,7 +12,7 @@
 ### 2017 ###
 
 * [2017 batch 05](2017-batch-05.html) - 2 June 2017 - 9 epoxy fire igniters
-* [2017 batch 04](2017-batch-04.html) - 1 June 2017 - 4 29mm KNSB grains
+* [2017 batch 04](2017-batch-04.html) - 1 June 2017 - 4 29mm + 6 54mm KNSB grains
 * [2017 batch 03](2017-batch-03.html) - 31 May 2017 - 6 29mm KNER grains
 * [2017 test 04](2017-test-04.html) - 21 May 2017 - 4-grain 54mm KNSB flight
 * [2017 test 03](2017-test-03.html) - 21 May 2017 - 3-grain 54mm KNSB on test stand