diff --git a/src/atomic/SDL_spinlock.c b/src/atomic/SDL_spinlock.c
index 68491b5d0..5498ddda5 100644
--- a/src/atomic/SDL_spinlock.c
+++ b/src/atomic/SDL_spinlock.c
@@ -122,7 +122,7 @@ SDL_AtomicTryLock(SDL_SpinLock *lock)
 
 /* "REP NOP" is PAUSE, coded for tools that don't know it by that name. */
 #if (defined(__GNUC__) || defined(__clang__)) && (defined(__i386__) || defined(__x86_64__))
-    #define PAUSE_INSTRUCTION() __asm__ __volatile__("pause\n")  /* Clang lets you do REP NOP, GCC wants PAUSE. */
+    #define PAUSE_INSTRUCTION() __asm__ __volatile__("pause\n")  /* Some assemblers can't do REP NOP, so go with PAUSE. */
 #elif defined(_MSC_VER) && (defined(_M_IX86) || defined(_M_X64))
     #define PAUSE_INSTRUCTION() _mm_pause()  /* this is actually "rep nop" and not a SIMD instruction. No inline asm in MSVC x86-64! */
 #elif defined(__WATCOMC__) && defined(__386__)