diff --git a/poly1305/sum_amd64.go b/poly1305/sum_amd64.go
index f352566..4dd72fe 100644
--- a/poly1305/sum_amd64.go
+++ b/poly1305/sum_amd64.go
@@ -6,7 +6,7 @@
 
 package poly1305
 
-// This function is implemented in poly1305_amd64.s
+// This function is implemented in sum_amd64.s
 //go:noescape
 func poly1305(out *[16]byte, m *byte, mlen uint64, key *[32]byte)
 
diff --git a/poly1305/poly1305_amd64.s b/poly1305/sum_amd64.s
similarity index 100%
rename from poly1305/poly1305_amd64.s
rename to poly1305/sum_amd64.s
diff --git a/poly1305/sum_arm.go b/poly1305/sum_arm.go
index 06ebac3..5dc321c 100644
--- a/poly1305/sum_arm.go
+++ b/poly1305/sum_arm.go
@@ -6,7 +6,7 @@
 
 package poly1305
 
-// This function is implemented in poly1305_arm.s
+// This function is implemented in sum_arm.s
 //go:noescape
 func poly1305_auth_armv6(out *[16]byte, m *byte, mlen uint32, key *[32]byte)
 
diff --git a/poly1305/poly1305_arm.s b/poly1305/sum_arm.s
similarity index 100%
rename from poly1305/poly1305_arm.s
rename to poly1305/sum_arm.s