Fix typo in comment

Reviewed-by: Paul Yang <yang.yang@baishancloud.com>
(Merged from https://github.com/openssl/openssl/pull/8218)

diff --git a/crypto/sparse_array.c b/crypto/sparse_array.c
index b256478358449e0fd5b4cf9d182d61f8eb580aa6..9255f9da3f4bfa29d042c5c93a6787c178c54ee3 100644 (file)
--- a/crypto/sparse_array.c
+++ b/crypto/sparse_array.c
@@ -44,7 +44,7 @@
 /*
  * From the number of bits, work out:
  *    the number of pointers in a tree node;
- *    a bit mask to quickly extra an index and
+ *    a bit mask to quickly extract an index and
  *    the maximum depth of the tree structure.
   */
 #define SA_BLOCK_MAX            (1 << OPENSSL_SA_BLOCK_BITS)