diff --git a/tox.ini b/tox.ini
index 41c9db8a5d..d9c2262f69 100644
--- a/tox.ini
+++ b/tox.ini
@@ -75,7 +75,7 @@ envlist =
     ; pypy3-test-instrumentation-boto
 
     ; opentelemetry-instrumentation-elasticsearch
-    ; FIXME: Elasticsearch >=7 causes CI workflow tests to hang, see open-telemetry/opentelemetry-python-contrib#620
+    ; FIXME: Elasticsearch >=7 causes CI workflow tests to hang, see https://github.com/open-telemetry/opentelemetry-python-contrib/issues/620
     ; The numbers at the end of the environment names
     ; below mean these dependencies are being used:
     ; 0: elasticsearch-dsl==2.2.0 elasticsearch==2.4.1