diff --git a/ChangeLog.d/pkcs7-padding-side-channel-fix.txt b/ChangeLog.d/pkcs7-padding-side-channel-fix.txt
index f34c095056..b813b84ce8 100644
--- a/ChangeLog.d/pkcs7-padding-side-channel-fix.txt
+++ b/ChangeLog.d/pkcs7-padding-side-channel-fix.txt
@@ -1,4 +1,4 @@
 Security
    * Fix a timing side channel in the implementation of PKCS#7 padding
      which would allow an attacker who can request decryption of arbitrary
-     ciphertexts to recover the last byte of each block of the plaintext.
+     ciphertexts to recover the plaintext through a timing oracle attack.