Comment change rename clamp params to params
Condense comment for reserved registers to 1 line.

PiperOrigin-RevId: 311286349
diff --git a/src/f32-igemm/4x8-aarch64-neonfma-cortex-a75.S.in b/src/f32-igemm/4x8-aarch64-neonfma-cortex-a75.S.in
index 72766b0..98287f3 100644
--- a/src/f32-igemm/4x8-aarch64-neonfma-cortex-a75.S.in
+++ b/src/f32-igemm/4x8-aarch64-neonfma-cortex-a75.S.in
@@ -19,8 +19,7 @@
 #     const float* zero,                 [sp + 16] -> x12
 #     const xnn_f32_minmax_params params [sp + 24] -> x8
 
-# d8-d15 need to be preserved if used.
-# x19-30 need to be preserved if used.
+# d8-d15, x19-x30 need to be preserved if used. x18 is reserved on iOS.
 
 # A pointers
 # x20 a0
@@ -54,7 +53,7 @@
         # Load cn_stride, a_offset
         LDP x10, x11, [sp]
 
-        # Load zero, clamping params pointer
+        # Load zero, params pointer
         LDP x12, x8, [sp, 16]
 
         # Load min/max values