follow-up to "Add helper script to perform multi-platform..."

Adjust README.md to better reflect the script behaviour.

Change-Id: I989ab1b100251212e4b8fb0603b4966001c112af
Follow-up-to: I5baaed04ec8a82652c46d1f4ef151928690d7cfb

README.md

diff --git a/README.md b/README.md
index 0b79174..21a9e00 100644
--- a/README.md
+++ b/README.md
@@ -62,12 +62,12 @@
 
 ## Build multi-platform images
 
-For the official releases one can build both `amd64` and `amd64` images at once and either
-load them to the local docker registry (default) or push them to the `gerritcodereview`
-dockerhub account. In order to do that one simply calls:
+For the official releases one can build both `amd64` and `arm64` images at once and either
+load them to the local docker registry or push them to the `gerritcodereview` dockerhub account.
+In order to do that one simply calls:
 
 ```
-./build_multiplatform.sh
+./build_multiplatform.sh --load
 ```
 
 And multiplatform images will be created and loaded locally. Calling:
@@ -79,9 +79,9 @@
 pushes images to the dockerhub instead.
 
 Notes:
-* in the default (--load) target only the current system architecture image is pushed
-  to the local registry
-* almalinux images is additionally tagged as the default release image.
+* in the `--load` target only the current system architecture image is pushed to the local
+  registry
+* the almalinux image is additionally tagged as the default release image.
 
 ## Using persistent volumes
 

build_multiplatform.sh

diff --git a/build_multiplatform.sh b/build_multiplatform.sh
index 085974d..944978f 100755
--- a/build_multiplatform.sh
+++ b/build_multiplatform.sh
@@ -10,7 +10,7 @@
   echo "         into local docker registry (they are visible through the 'docker images'"
   echo "         command."
   echo "push     Builds both 'amd64' and 'arm64' architectures images and pushes them to the."
-  echo "         dockerhub. Note that in this case one needs to be loged in to"
+  echo "         dockerhub. Note that in this case one needs to be logged in to"
   echo "         'gerritcodereview' account and images are not visible in the local registry."
   echo
 }