diff --git a/Makefile b/Makefile
index e291504..0a88da5 100644
--- a/Makefile
+++ b/Makefile
@@ -19,7 +19,7 @@ RPM_BUILD_PATH = $(RPM_RPMDIR)/$(ARCH)/$(NAME)-$(VERSION)-$(RELEASE).$(ARCH).rpm
 
 .PHONY: help
 help:
-	@grep -E '^[a-zA-Z_-]+:.*?## .*' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
+	@grep -E '^[a-zA-Z0-9_-]+:.*?## .*' $(MAKEFILE_LIST) | awk 'BEGIN {FS = ":.*?## "}; {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}'
 
 .PHONY: name
 name:  ## Show project name
@@ -38,7 +38,7 @@ arch:  ## Show rpm arch target
 	@echo "$(ARCH)"
 
 .PHONY: owner
-owner:  # Show project owner name
+owner:  ## Show project owner name
 	@echo "$(OWNER)"
 
 .PHONY: summary
@@ -54,7 +54,7 @@ url:  ## Show project homepage URL
 	@echo "$(URL)"
 
 .PHONY: source0
-source0:  ## Show source name
+source0:  ## Show rpm source0 file name
 	@echo "$(SOURCE0)"
 
 $(RPM_TARBALL_PATH): *
@@ -74,7 +74,7 @@ install:  ## Install files into rpm dest (requires env var DESTDIR)
 		exit 1; \
 	fi
 	install --directory $(DESTDIR)$(RPM_SYSCONFDIR)/nginx/conf.d $(DESTDIR)$(RPM_SYSCONFDIR)/certbot $(DESTDIR)$(RPM_UNITDIR) $(DESTDIR)$(RPM_SBINDIR)
-	install --target-directory=$(DESTDIR)$(RPM_SYSCONFDIR)/nginx/conf.d files/nginx/0_security.conf files/nginx/z_default.conf
+	install --mode=755 --target-directory=$(DESTDIR)$(RPM_SYSCONFDIR)/nginx/conf.d files/nginx/0_security.conf files/nginx/z_default.conf
 	install --mode=600 --target-directory=$(DESTDIR)$(RPM_SYSCONFDIR)/certbot files/certbot/ovh.ini
 	install --mode=644 --target-directory=$(DESTDIR)$(RPM_UNITDIR) files/systemd/certbot-renew.service files/systemd/certbot-renew.timer
 	install --mode=755 --target-directory=$(DESTDIR)$(RPM_SBINDIR) files/sbin/certbot_renew
@@ -82,7 +82,7 @@ install:  ## Install files into rpm dest (requires env var DESTDIR)
 .PHONY: upload
 upload:  ## Upload rpm package to Gitea repository (requires env var PKG_TOKEN)
 	@if [ -z "$(PKG_TOKEN)" ]; then \
-		printf "[CRITICAL] Missing env var PKG_TOKEN\n[CRITICAL] This command is designed to be called by Gitea Actions only\n" 1>&2; \
+		printf "[CRITICAL] Missing env var PKG_TOKEN\n[CRITICAL] This command is designed to be called by Gitea Actions only!\n" 1>&2; \
 		exit 1; \
 	fi
 	curl --fail-with-body --upload-file "$(RPM_BUILD_PATH)" --user "$(OWNER):$(PKG_TOKEN)" https://git.netoik.io/api/packages/$(OWNER)/rpm/upload