diff --git a/kmip/demos/units/discover_versions.py b/kmip/demos/units/discover_versions.py
index 4d18087..4a63dee 100644
--- a/kmip/demos/units/discover_versions.py
+++ b/kmip/demos/units/discover_versions.py
@@ -41,7 +41,7 @@ if __name__ == '__main__':
     protocol_versions = list()
     if opts.protocol_versions is not None:
         for version in re.split(',| ', opts.protocol_versions):
-            mm = re.split('\.', version)
+            mm = re.split(r'\.', version)
             protocol_versions.append(ProtocolVersion(int(mm[0]), int(mm[1])))
 
     # Build the client and connect to the server
diff --git a/kmip/services/server/engine.py b/kmip/services/server/engine.py
index 97cd4a3..b055f3f 100644
--- a/kmip/services/server/engine.py
+++ b/kmip/services/server/engine.py
@@ -1444,7 +1444,7 @@ class KmipEngine(object):
             else:
                 raise exceptions.InvalidField(
                     "The cryptographic length must correspond to a valid "
-                    "number of bytes (i.e., it must be a multiple of 8)."
+                    "number of bytes; it must be a multiple of 8."
                 )
         else:
             raise exceptions.InvalidField(
diff --git a/kmip/tests/unit/services/server/test_engine.py b/kmip/tests/unit/services/server/test_engine.py
index 12f6287..5d8a8e5 100644
--- a/kmip/tests/unit/services/server/test_engine.py
+++ b/kmip/tests/unit/services/server/test_engine.py
@@ -4108,7 +4108,7 @@ class TestKmipEngine(testtools.TestCase):
         self.assertRaisesRegexp(
             exceptions.InvalidField,
             "The cryptographic length must correspond to a valid number of "
-            "bytes \(i.e., it must be a multiple of 8\).",
+            "bytes; it must be a multiple of 8.",
             e._process_derive_key,
             *args
         )