diff --git a/cd.sh b/cd.sh
index 0ff0821..a61e8ef 100644
--- a/cd.sh
+++ b/cd.sh
@@ -178,21 +178,20 @@ Dir::Etc::SourceParts \"\";
 }
 
 cd_set_https_verification_off () {
-    if [ "${CD_CA}" ] ; then
-        cd_step "Set HTTPS verification off"
-        case "${CD_OS_ID}" in
-            "${CD_OS_DEBIAN}")
-                cd_write "/etc/apt/apt.conf.d/https" "\
+    [ "${CD_CA}" ] || [ "${CD_OS_ID}" = "${CD_OS_DEBIAN}" ] || exit
+    cd_step "Set HTTPS verification off"
+    case "${CD_OS_ID}" in
+        "${CD_OS_DEBIAN}")
+            cd_write "/etc/apt/apt.conf.d/https" "\
 Acquire::https::Verify-Peer False;
 "
-            ;;
-            "${CD_OS_ALMA}")
-                cd_write "/etc/dnf/dnf.conf.d/https.conf" "\
+        ;;
+        "${CD_OS_ALMA}")
+            cd_write "/etc/dnf/dnf.conf.d/https.conf" "\
 sslverify=False
 "
-            ;;
-        esac
-    fi
+        ;;
+    esac
 }
 
 cd_update_packages_catalog () {
@@ -239,13 +238,12 @@ cd_update_ca_certificates () {
 }
 
 cd_set_https_verification_on () {
-    if [ "${CD_CA}" ] ; then
-        cd_step "Set HTTPS verification on"
-        case "${CD_OS_ID}" in
-            "${CD_OS_DEBIAN}") cd_rm "/etc/apt/apt.conf.d/https" ;;
-            "${CD_OS_ALMA}") cd_rm "/etc/dnf/dnf.conf.d/https.conf" ;;
-        esac
-    fi
+    [ "${CD_CA}" ] || [ "${CD_OS_ID}" = "${CD_OS_DEBIAN}" ] || exit
+    cd_step "Set HTTPS verification on"
+    case "${CD_OS_ID}" in
+        "${CD_OS_DEBIAN}") cd_rm "/etc/apt/apt.conf.d/https" ;;
+        "${CD_OS_ALMA}") cd_rm "/etc/dnf/dnf.conf.d/https.conf" ;;
+    esac
 }
 
 cd_upgrade_packages () {
diff --git a/readme.md b/readme.md
index 5800715..4498d1f 100644
--- a/readme.md
+++ b/readme.md
@@ -29,8 +29,9 @@ from various CA, CI, OCI / OS.
 
 ## Tasks
 
-* first list working directory
 * handle cloning credentials
+* write Python bootstrap
+
+* first list working directory
 * integrate project repository cloning
 * override repository and framework locations
-* write Python bootstrap