Update vm_core.h

Co-authored-by: Tomás Coêlho <36938811+tomascco@users.noreply.github.com>

1 files changed, 1 insertions, 1 deletions

diff --git a/compile.c b/compile.c
index 06c5557672..2b007f92fd 100644
--- a/compile.c
+++ b/compile.c
@@ -2333,7 +2333,7 @@ iseq_set_sequence(rb_iseq_t *iseq, LINK_ANCHOR *const anchor)
 
     // Calculate the bitmask buffer size.
     // Round the generated_iseq size up to the nearest multiple
-    // of the number if bits in an unsigned long.
+    // of the number of bits in an unsigned long.
 
     // Allocate enough room for the bitmask list
     iseq_bits_t * mark_offset_bits = ZALLOC_N(iseq_bits_t, ISEQ_MBITS_BUFLEN(code_index));