Merge pull request #603 from howjmay/typos

docs: Fix the typos

sse2neon.h

@@ -2235,7 +2235,7 @@ FORCE_INLINE __m128 _mm_or_ps(__m128 a, __m128 b)
 #define _m_pmulhuw(a, b) _mm_mulhi_pu16(a, b)
 
 // Fetch the line of data from memory that contains address p to a location in
-// the cache heirarchy specified by the locality hint i.
+// the cache hierarchy specified by the locality hint i.
 // https://www.intel.com/content/www/us/en/docs/intrinsics-guide/index.html#text=_mm_prefetch
 FORCE_INLINE void _mm_prefetch(char const *p, int i)
 {
@@ -2315,7 +2315,7 @@ FORCE_INLINE __m128 _mm_rsqrt_ps(__m128 in)
     float32x4_t out = vrsqrteq_f32(vreinterpretq_f32_m128(in));
 
     // Generate masks for detecting whether input has any 0.0f/-0.0f
-    // (which becomes positive/negative infinity by IEEE-754 arthimetic rules).
+    // (which becomes positive/negative infinity by IEEE-754 arithmetic rules).
     const uint32x4_t pos_inf = vdupq_n_u32(0x7F800000);
     const uint32x4_t neg_inf = vdupq_n_u32(0xFF800000);
     const uint32x4_t has_pos_zero =