Fix changelog entry

Signed-off-by: gabor-mezei-arm <gabor.mezei@arm.com>
diff --git a/ChangeLog.d/one-shot_cipher_functions.txt b/ChangeLog.d/one-shot_cipher_functions.txt
index 30b8ae5..3bb85e1 100644
--- a/ChangeLog.d/one-shot_cipher_functions.txt
+++ b/ChangeLog.d/one-shot_cipher_functions.txt
@@ -1,4 +1,4 @@
 API changes
    * Implement one-shot cipher functions, psa_cipher_encrypt and
      psa_cipher_decrypt, according to the PSA Crypto API 1.0.0
-     documentation.
+     specification.