diff --git a/init/arch_specs/eessi_arch_arm.spec b/init/arch_specs/eessi_arch_arm.spec
index b5c9275043..8c1bc34d20 100755
--- a/init/arch_specs/eessi_arch_arm.spec
+++ b/init/arch_specs/eessi_arch_arm.spec
@@ -1,6 +1,6 @@
-# ARM CPU architecture specifications
+# ARM CPU architecture specifications (see https://gpages.juszkiewicz.com.pl/arm-socs-table/arm-socs.html for guidance)
 # Software path in EESSI 	| Vendor ID 	| List of defining CPU features
-"aarch64/neoverse_n1"	"ARM"		"asimd"		# Ampere Altra
-"aarch64/neoverse_n1"	""		"asimd"		# AWS Graviton2
-"aarch64/neoverse_v1"	"ARM"		"asimd svei8mm"
-"aarch64/neoverse_v1"	""		"asimd svei8mm"	# AWS Graviton3
+"aarch64/neoverse_n1"	"ARM"		"asimddp"		# Ampere Altra
+"aarch64/neoverse_n1"	""		"asimddp"		# AWS Graviton2
+"aarch64/neoverse_v1"	"ARM"		"asimddp svei8mm"
+"aarch64/neoverse_v1"	""		"asimddp svei8mm"	# AWS Graviton3