nit

15b326b6 · rsc · 8908cc9b · 15b326b6
--- a/spinlock.c
+++ b/spinlock.c
@@ -38,8 +38,8 @@ getcallerpcs(void *v, uint pcs[])
 // Acquire the lock.
 // Loops (spins) until the lock is acquired.
-// (Because contention is handled by spinning, must not
+// (Because contention is handled by spinning,
-// go to sleep holding any locks.)
+// must not go to sleep holding any locks.)
 void
 acquire(struct spinlock *lock)
 {