Refs #3002 -- clearly document that OpenSSL 1.0 support will be removed in the next release. (#3113)

diff --git a/docs/installation.rst b/docs/installation.rst
index 3d10c36..330817c 100644
--- a/docs/installation.rst
+++ b/docs/installation.rst
@@ -38,7 +38,7 @@
 
 .. warning::
     OpenSSL 1.0.0 is no longer supported by the OpenSSL project. Cryptography
-    will drop support for it in a future release.
+    will drop support for it in the next release.
 
 On Windows
 ----------
diff --git a/src/cryptography/hazmat/bindings/openssl/binding.py b/src/cryptography/hazmat/bindings/openssl/binding.py
index 2b9dca5..e788502 100644
--- a/src/cryptography/hazmat/bindings/openssl/binding.py
+++ b/src/cryptography/hazmat/bindings/openssl/binding.py
@@ -219,9 +219,9 @@
 def _verify_openssl_version(version):
     if version < 0x10001000:
         warnings.warn(
-            "OpenSSL versions less than 1.0.1 are no longer supported by the "
-            "OpenSSL project, please upgrade. A future version of "
-            "cryptography will drop support for these versions of OpenSSL.",
+            "OpenSSL version 1.0.0 is no longer supported by the OpenSSL "
+            "project, please upgrade. The next version of cryptography will "
+            "drop support for it.",
             DeprecationWarning
         )