diff --git a/shell-completion/zsh/_systemd-tmpfiles b/shell-completion/zsh/_systemd-tmpfiles
index 1e3ddb873e..72b9a8759c 100644
--- a/shell-completion/zsh/_systemd-tmpfiles
+++ b/shell-completion/zsh/_systemd-tmpfiles
@@ -5,8 +5,8 @@ _arguments \
     '(- *)'{-h,--help}'[Show help]' \
     '--user[Execute user configuration]' \
     '(- *)--version[Show package version]' \
-    '(--tldr --dry-run)--cat-config[Show configuration files]' \
-    '(--cat-config --dry-run)--tldr[Show non-comment parts of configuration]' \
+    '(--tldr -n --dry-run)--cat-config[Show configuration files]' \
+    '(--cat-config -n --dry-run)--tldr[Show non-comment parts of configuration]' \
     '--create[Create, set ownership/permissions based on the config files.]' \
     '--clean[Clean up all files and directories with an age parameter configured.]' \
     '--remove[All files and directories marked with r, R in the configuration files are removed.]' \
@@ -20,6 +20,6 @@ _arguments \
     '--image=[Operate on disk image as filesystem root]:image' \
     '--image-policy=[Specify disk image dissection policy]:policy' \
     '--replace=[Treat arguments as replacement for PATH]:PATH' \
-    '(--cat-config --tldr)--dry-run[Just print what would be done]' \
+    '(--cat-config --tldr)'{-n,--dry-run}'[Just print what would be done]' \
     '--no-pager[Do not pipe output into a pager]' \
     '*::files:_files -g "*.conf"'
diff --git a/shell-completion/zsh/_udevadm b/shell-completion/zsh/_udevadm
index 7e717d30a3..e0112b3ed5 100644
--- a/shell-completion/zsh/_udevadm
+++ b/shell-completion/zsh/_udevadm
@@ -27,7 +27,7 @@ _udevadm_trigger(){
         '(-)'{-h,--help}'[Show help]' \
         '(-)'{-V,--version}'[Show package version]' \
         '--verbose[Print the list of devices which will be triggered.]' \
-        '--dry-run[Do not actually trigger the event.]' \
+        '(-n --dry-run)'{-n,--dry-run}'[Do not actually trigger the event.]' \
         '--quiet[Suppress error logging in triggering events.]' \
         '--type=[Trigger a specific type of devices.]:types:(all devices subsystems failed)' \
         '--action=[Type of event to be triggered.]:actions:(add change remove move online offline bind unbind)' \