Remove references to obsolete engine versions
@@ -520,8 +520,8 @@ following:
pushed, but are always fetched from their authorized location. This is fine
for internet-connected hosts, but not in an air-gapped set-up.
- In Docker 17.06 and higher, you can configure the Docker daemon to allow
- pushing non-distributable layers to private registries, in this scenario.
+ You can configure the Docker daemon to allow pushing non-distributable layers
+ to private registries.
**This is only useful in air-gapped set-ups in the presence of
non-distributable images, or in extremely bandwidth-limited situations.**
You are responsible for ensuring that you are in compliance with the terms of
