refer to ARG

2018-07-24 18:55:54 -05:00 · 2018-07-24 18:55:54 -05:00 · ce66114a44
parent bb0dc869d0
commit ce66114a44
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--- a/README.md
+++ b/README.md
@ -3,9 +3,7 @@
 ## Updating versions

 * Open `Dockerfile`
-* On the `ENV` directive, update necessary versions.
-
-An exception to this is the NodeJS version, which needs to be updated in the `FROM` directive instead.
+* On the `ARG` directives, update necessary versions.

 ## Building