Fix FIPS version number comment.

This mirrors the change from
https://boringssl-review.googlesource.com/c/boringssl/+/80847 to the
main branch.

Change-Id: Ie1af30ee48910e26da0c4b8652ba92eec07291b4
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/80848
Commit-Queue: Adam Langley <agl@google.com>
Auto-Submit: Adam Langley <agl@google.com>
Reviewed-by: Nick Harper <nharper@chromium.org>
Commit-Queue: Nick Harper <nharper@chromium.org>

include/openssl/crypto.h

diff --git a/include/openssl/crypto.h b/include/openssl/crypto.h
index aed4326..1e8e6ad 100644
--- a/include/openssl/crypto.h
+++ b/include/openssl/crypto.h
@@ -205,8 +205,7 @@
 
 // FIPS_version returns the version of the FIPS module, or zero if the build
 // isn't exactly at a verified version. The version, expressed in base 10, will
-// be a date in the form yyyymmddXX where XX is often "00", but can be
-// incremented if multiple versions are defined on a single day.
+// be a date in the form yyyymmdd.
 //
 // (This format exceeds a |uint32_t| in the year 4294.)
 OPENSSL_EXPORT uint32_t FIPS_version(void);