diff --git a/etc/tempest.conf.sample b/etc/tempest.conf.sample
index a2d3877..0f18f5e 100644
--- a/etc/tempest.conf.sample
+++ b/etc/tempest.conf.sample
@@ -320,6 +320,10 @@
 # If false, skip disk config tests (boolean value)
 #disk_config=true
 
+# A list of enabled compute extensions with a special entry
+# all which indicates every extension is enabled (list value)
+#api_extensions=all
+
 # A list of enabled v3 extensions with a special entry all
 # which indicates every extension is enabled (list value)
 #api_v3_extensions=all
@@ -582,16 +586,8 @@
 # Options defined in tempest.config
 #
 
-# A list of enabled extensions with a special entry all which
-# indicates every extension is enabled (list value)
-#api_extensions=all
-
-# A list of enabled extensions with a special entry all which
-# indicates every extension is enabled (list value)
-#api_extensions=all
-
-# A list of enabled extensions with a special entry all which
-# indicates every extension is enabled (list value)
+# A list of enabled network extensions with a special entry
+# all which indicates every extension is enabled (list value)
 #api_extensions=all
 
 
@@ -877,6 +873,10 @@
 # Runs Cinder volumes backup test (boolean value)
 #backup=true
 
+# A list of enabled volume extensions with a special entry all
+# which indicates every extension is enabled (list value)
+#api_extensions=all
+
 # Is the v1 volume API enabled (boolean value)
 #api_v1=true
 
diff --git a/tempest/config.py b/tempest/config.py
index c92a04d..e1a19f3 100644
--- a/tempest/config.py
+++ b/tempest/config.py
@@ -235,8 +235,8 @@
                 help="If false, skip disk config tests"),
     cfg.ListOpt('api_extensions',
                 default=['all'],
-                help='A list of enabled extensions with a special entry all '
-                     'which indicates every extension is enabled'),
+                help='A list of enabled compute extensions with a special '
+                     'entry all which indicates every extension is enabled'),
     cfg.ListOpt('api_v3_extensions',
                 default=['all'],
                 help='A list of enabled v3 extensions with a special entry all'
@@ -372,8 +372,8 @@
 NetworkFeaturesGroup = [
     cfg.ListOpt('api_extensions',
                 default=['all'],
-                help='A list of enabled extensions with a special entry all '
-                     'which indicates every extension is enabled'),
+                help='A list of enabled network extensions with a special '
+                     'entry all which indicates every extension is enabled'),
 ]
 
 volume_group = cfg.OptGroup(name='volume',
@@ -430,8 +430,8 @@
                 help='Runs Cinder volumes backup test'),
     cfg.ListOpt('api_extensions',
                 default=['all'],
-                help='A list of enabled extensions with a special entry all '
-                     'which indicates every extension is enabled'),
+                help='A list of enabled volume extensions with a special '
+                     'entry all which indicates every extension is enabled'),
     cfg.BoolOpt('api_v1',
                 default=True,
                 help="Is the v1 volume API enabled"),