diff --git a/docs/reference/builder.md b/docs/reference/builder.md index 2093a70707..510eab89ce 100644 --- a/docs/reference/builder.md +++ b/docs/reference/builder.md @@ -2043,7 +2043,7 @@ RUN echo hello If you specify `--build-arg CONT_IMG_VER=` on the command line, in both cases, the specification on line 2 does not cause a cache miss; line 3 does cause a cache miss.`ARG CONT_IMG_VER` causes the RUN line to be identified -as the same as running `CONT_IMG_VER=` echo hello, so if the `` +as the same as running `CONT_IMG_VER= echo hello`, so if the `` changes, we get a cache miss. Consider another example under the same command line: