diff --git a/dragonflow/controller/sg_app.py b/dragonflow/controller/sg_app.py
index 4cf6a88d7..42dde2e01 100644
--- a/dragonflow/controller/sg_app.py
+++ b/dragonflow/controller/sg_app.py
@@ -279,7 +279,7 @@ class SGApp(df_base_app.DFlowApp):
             # not support yet
             dl_type_match["eth_type"] = ether.ETH_TYPE_IPV6
         else:
-            LOG.error(_LE("wrong ethernet type"))
+            LOG.error(_LE("wrong Ethernet type"))
 
         for port_match in port_match_list:
             parameters_merge = dl_type_match.copy()
diff --git a/tools/subunit-trace.py b/tools/subunit-trace.py
index 8940ca838..d9265a3c1 100755
--- a/tools/subunit-trace.py
+++ b/tools/subunit-trace.py
@@ -264,7 +264,7 @@ def parse_args():
                         'debug information in realtime')
     parser.add_argument('--fails', '-f', action='store_true',
                         dest='post_fails', help='Print failure debug '
-                        'information after the stream is proccesed')
+                        'information after the stream is proccessed')
     parser.add_argument('--failonly', action='store_true',
                         dest='failonly', help="Don't print success items",
                         default=(