diff --git a/README.md b/README.md
index a8bda00..3bf40d2 100644
--- a/README.md
+++ b/README.md
@@ -67,8 +67,7 @@ RUN mv -f "${DOCKER_PATH}" "${DOCKER_PATH}.orig"
 
 # Install dond-shim at the same path as the original docker cli
 ARG DOND_SHIM_VERSION="0.7.1"
-ADD "https://github.com/felipecrs/docker-on-docker-shim/raw/v${DOND_SHIM_VERSION}/dond" "${DOCKER_PATH}"
-RUN chmod 755 "${DOCKER_PATH}"
+ADD --chmod=755 "https://github.com/felipecrs/docker-on-docker-shim/raw/v${DOND_SHIM_VERSION}/dond" "${DOCKER_PATH}"
 ```
 
 ### As `dond`
@@ -84,8 +83,7 @@ RUN apk add --no-cache bash
 # Install dond-shim to /usr/local/bin/dond
 ARG DOND_SHIM_VERSION="0.7.1"
 ARG DOND_SHIM_PATH="/usr/local/bin/dond"
-ADD "https://github.com/felipecrs/docker-on-docker-shim/raw/v${DOND_SHIM_VERSION}/dond" "${DOND_SHIM_PATH}"
-RUN chmod 755 "${DOND_SHIM_PATH}"
+ADD --chmod=755 "https://github.com/felipecrs/docker-on-docker-shim/raw/v${DOND_SHIM_VERSION}/dond" "${DOND_SHIM_PATH}" "${DOND_SHIM_PATH}"
 ```
 
 ## Docker Compose