diff --git a/GNUmakefile b/GNUmakefile
index 8ba27d1d1..0b7a8ed69 100644
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -787,6 +787,8 @@ $(IOS_TARGETS) $(IOSSIM_TARGETS): LDFLAGS += \
 ##
 debug: ## Build a debug executable for the current platform.
 release: ## Build a release executable for the current platform.
+armdebug: ## Cross-compile aarch64 debug on Linux.
+armrelease: ## Cross-compile aarch64 release on Linux.
 all: $(BUILD_TYPES) ## Build all targets that appear possible to build on this machine.
 unix: debug release ## Build all UNIX targets.
 win: windebug winrelease ## Build all Windows targets.
@@ -1305,7 +1307,7 @@ help: ## Display this help message.
 	/^##/ { sub(/^## ?/, ""); print $$0 } \
 	/^[[:alnum:]-]+:.*##/ { \
 		sub(/:.*##\s?/, ":"); \
-		printf "  %s%-20s%s %s%s%s\n", G, $$1, R, O, $$2, R \
+		printf "  %s%-21s%s %s%s%s\n", G, $$1, R, O, $$2, R \
 	} \
 	' < $(filter-out %.d,$(MAKEFILE_LIST))
 	@echo "" # Blank line.