Updated README

Author: swrap

README.md

@@ -244,7 +244,7 @@ Flags:
       --export-cache list   Image cache export location (synonymous to buildkit export-cache)
   -f, --file string         Name of the Dockerfile (Default is 'PATH/Dockerfile')
   -h, --help                help for build
-      --import-cache list   Image cache import location (synonymous to buildkit import-cache) takes precedence over 'cache-from'
+      --import-cache list   Image cache import location (synonymous to buildkit import-cache)
       --label list          Set metadata for an image
       --no-cache            Do not use cache when building the image
       --no-console          Use non-console progress UI