Add some words in dict.txt to avoid warning sign

Change-Id: I65e2ea6f44c6e97a0b01c877e414c0ba91900912
diff --git a/dict.txt b/dict.txt
index 4c2e638..77a51db 100644
--- a/dict.txt
+++ b/dict.txt
@@ -47,3 +47,4 @@
 yaml
 Ansible
 ansible
+Sercomm