diff --git a/cli/dcoscli/help/main.py b/cli/dcoscli/help/main.py
index 0c4269b..8b78d37 100644
--- a/cli/dcoscli/help/main.py
+++ b/cli/dcoscli/help/main.py
@@ -41,7 +41,7 @@ def main():
                 in subcommand.list_paths(directory)))
 
         emitter.publish(
-            "Command line utility for the Mesosphere DataCenter Operating "
+            "Command line utility for the Mesosphere Datacenter Operating "
             "System (DCOS). The Mesosphere DCOS is a distributed operating "
             "system built around Apache Mesos. This utility provides tools "
             "for easy management of a DCOS installation.\n")
diff --git a/cli/tests/integrations/cli/test_help.py b/cli/tests/integrations/cli/test_help.py
index 39b53a9..5f0c449 100644
--- a/cli/tests/integrations/cli/test_help.py
+++ b/cli/tests/integrations/cli/test_help.py
@@ -46,7 +46,7 @@ def test_list_all():
 
     assert returncode == 0
     assert stdout == """Command line utility for \
-the Mesosphere DataCenter Operating System (DCOS). The Mesosphere DCOS is \
+the Mesosphere Datacenter Operating System (DCOS). The Mesosphere DCOS is \
 a distributed operating system built around Apache Mesos. This utility \
 provides tools for easy management of a DCOS installation.