diff --git a/src/Generator/MtRandGenerator.php b/src/Generator/MtRandGenerator.php
index d38ea5f..8d4b5f9 100644
--- a/src/Generator/MtRandGenerator.php
+++ b/src/Generator/MtRandGenerator.php
@@ -18,10 +18,10 @@ namespace Ramsey\Uuid\Generator;
  * MtRandRandomGenerator provides functionality to generate strings of random
  * binary data using the `mt_rand()` PHP function
  *
- * @deprecated 4.0.0 The mt_rand() function is not a reliable source of
- *     randomness. The default RandomBytesGenerator, which uses the
- *     random_bytes() function, is recommended as the safest and most reliable
- *     source of randomness.
+ * @deprecated The mt_rand() function is not a reliable source of randomness.
+ *     The default RandomBytesGenerator, which uses the random_bytes() function,
+ *     is recommended as the safest and most reliable source of randomness.
+ *     <em>This generator will be removed in ramsey/uuid 4.0.0.</em>
  * @link http://php.net/mt_rand
  */
 class MtRandGenerator implements RandomGeneratorInterface
diff --git a/src/Generator/OpenSslGenerator.php b/src/Generator/OpenSslGenerator.php
index 2661c1f..47abf9b 100644
--- a/src/Generator/OpenSslGenerator.php
+++ b/src/Generator/OpenSslGenerator.php
@@ -21,10 +21,11 @@ namespace Ramsey\Uuid\Generator;
  * The use of this generator requires PHP to be compiled using the
  * `--with-openssl` option.
  *
- * @deprecated 4.0.0 The openssl_random_pseudo_bytes() function is not a reliable
+ * @deprecated The openssl_random_pseudo_bytes() function is not a reliable
  *     source of randomness. The default RandomBytesGenerator, which uses the
  *     random_bytes() function, is recommended as the safest and most reliable
  *     source of randomness.
+ *     <em>This generator will be removed in ramsey/uuid 4.0.0.</em>
  * @link http://php.net/openssl_random_pseudo_bytes
  */
 class OpenSslGenerator implements RandomGeneratorInterface
diff --git a/src/Generator/SodiumRandomGenerator.php b/src/Generator/SodiumRandomGenerator.php
index 3de53fa..f4ccf85 100644
--- a/src/Generator/SodiumRandomGenerator.php
+++ b/src/Generator/SodiumRandomGenerator.php
@@ -18,10 +18,11 @@ namespace Ramsey\Uuid\Generator;
  * SodiumRandomGenerator provides functionality to generate strings of random
  * binary data using the PECL libsodium extension
  *
- * @deprecated 4.0.0 As of PHP 7.2.0, the libsodium extension is bundled with
- *     PHP, and the random_bytes() PHP function is now the recommended method
- *     for generating random byes. The default RandomBytesGenerator uses the
+ * @deprecated As of PHP 7.2.0, the libsodium extension is bundled with PHP, and
+ *     the random_bytes() PHP function is now the recommended method for
+ *     generating random byes. The default RandomBytesGenerator uses the
  *     random_bytes() function.
+ *     <em>This generator will be removed in ramsey/uuid 4.0.0.</em>
  * @link http://pecl.php.net/package/libsodium
  * @link https://paragonie.com/book/pecl-libsodium
  */