diff --git a/src/header/signal/linux.rs b/src/header/signal/linux.rs
index a874b2652791fd71a5e43d180ea0e9ac97b7d1d2..2d3b71d2c3be282674bb1e97f49561b81195c99d 100644
--- a/src/header/signal/linux.rs
+++ b/src/header/signal/linux.rs
@@ -1,19 +1,21 @@
 // Needs to be defined in assembly because it can't have a function prologue
+// rax is register, 15 is RT_SIGRETURN
 #[cfg(target_arch = "x86_64")]
 global_asm!(
     "
     .global __restore_rt
     __restore_rt:
-        mov $15, %rax # <- rax is register, 15 is RT_SIGRETURN
+        mov $15, %rax
         syscall
 "
 );
+// x8 is register, 139 is RT_SIGRETURN
 #[cfg(target_arch = "aarch64")]
 global_asm!(
     "
     .global __restore_rt
     __restore_rt:
-        mov x8, #139 # <- x8 is register, 139 is RT_SIGRETURN
+        mov x8, #139
         svc 0
 "
 );
diff --git a/src/header/signal/redox.rs b/src/header/signal/redox.rs
index 9dc41126fc3e742f8bb0f1cca263d5d11b23a73e..331997d1dbebbcaf2e6ea3dde075e09a3b83c90d 100644
--- a/src/header/signal/redox.rs
+++ b/src/header/signal/redox.rs
@@ -1,19 +1,21 @@
 // Needs to be defined in assembly because it can't have a function prologue
+// rax is register, 119 is SIGRETURN
 #[cfg(target_arch = "x86_64")]
 global_asm!(
     "
     .global __restore_rt
     __restore_rt:
-        mov $119, %rax # <- rax is register, 119 is SIGRETURN
+        mov $119, %rax
         int $0x80
 "
 );
+// x8 is register, 119 is SIGRETURN
 #[cfg(target_arch = "aarch64")]
 global_asm!(
     "
     .global __restore_rt
     __restore_rt:
-        mov x8, #119 # <- x8 is register, 119 is SIGRETURN
+        mov x8, #119
         svc 0
 "
 );