diff --git a/migrate2rocky/README.md b/migrate2rocky/README.md
index d2456da..e929dcd 100644
--- a/migrate2rocky/README.md
+++ b/migrate2rocky/README.md
@@ -16,12 +16,11 @@ Running this script will convert an existing CentOS 8 system to Rocky Linux 8.
 #### Use Mirror URLs of Rocky Linux
 
 ```bash
-export ROCKY_ENV_MIRROR_URL="https://mirrors.example.org/rocky"
+export ROCKY_REPO_MIRROR_URL="https://mirrors.example.org/rocky"
 
 ./migrate2rocky.sh -r
 ```
 
-
 ### Disk Space Requirements
 
 Please note the following disk space requirements.  These requirements may vary
diff --git a/migrate2rocky/migrate2rocky.sh b/migrate2rocky/migrate2rocky.sh
index 9a68608..3a4c3e0 100644
--- a/migrate2rocky/migrate2rocky.sh
+++ b/migrate2rocky/migrate2rocky.sh
@@ -137,10 +137,10 @@ SUPPORTED_PLATFORM="platform:el$SUPPORTED_MAJOR"
 ARCH=$(arch)
 
 # Use Mirror URLs of Rocky Linux from environment if set.
-ROCKY_DEFAULT_URL="https://dl.rockylinux.org/pub/rocky"
-ROCKY_MIRROR_URL="${ROCKY_ENV_MIRROR_URL:-"${ROCKY_DEFAULT_URL}"}"
+ROCKY_REPO_DEFAULT_URL="https://dl.rockylinux.org/pub/rocky"
+ROCKY_REPO_URL="${ROCKY_REPO_MIRROR_URL:-"${ROCKY_REPO_DEFAULT_URL}"}"
 
-gpg_key_url="${ROCKY_MIRROR_URL}/RPM-GPG-KEY-rockyofficial"
+gpg_key_url="${ROCKY_REPO_URL}/RPM-GPG-KEY-rockyofficial"
 gpg_key_sha512="88fe66cf0a68648c2371120d56eb509835266d9efdf7c8b9ac8fc101bdf1f0e0197030d3ea65f4b5be89dc9d1ef08581adb068815c88d7b1dc40aa1c32990f6a"
 
 sm_ca_dir=/etc/rhsm/ca
@@ -149,8 +149,8 @@ unset tmp_sm_ca_dir
 # all repos must be signed with the same key given in $gpg_key_url
 declare -A repo_urls
 repo_urls=(
-    [rockybaseos]="${ROCKY_MIRROR_URL}/${SUPPORTED_MAJOR}/BaseOS/$ARCH/os/"
-    [rockyappstream]="${ROCKY_MIRROR_URL}/${SUPPORTED_MAJOR}/AppStream/$ARCH/os/"
+    [rockybaseos]="${ROCKY_REPO_URL}/${SUPPORTED_MAJOR}/BaseOS/$ARCH/os/"
+    [rockyappstream]="${ROCKY_REPO_URL}/${SUPPORTED_MAJOR}/AppStream/$ARCH/os/"
 )
 
 # These are additional packages that should always be installed.
@@ -1066,11 +1066,11 @@ EOF
     fi
 
     # Replace mirror
-    if [[ $ROCKY_ENV_MIRROR_URL ]]; then 
+    if [[ $ROCKY_REPO_MIRROR_URL ]]; then 
         local -a repo_files
         readarray -t repo_files < <(rpm -ql rocky-repos | grep '\.repo$')
         sed -e 's|^mirrorlist=|#mirrorlist=|g' \
-            -e 's|^#baseurl=http://dl.rockylinux.org/$contentdir|baseurl='"$ROCKY_MIRROR_URL"'|g' \
+            -e "s|^#baseurl=http://dl.rockylinux.org/\$contentdir|baseurl=${ROCKY_REPO_URL}|g" \
             -i.migrate2rocky \
             "${repo_files[@]}"
     fi