Fix common misspellings and typos

Change-Id: I4ec7accb1912c052b446be7c399bed32a8c62253
diff --git a/CommonLibs/trx_vty.c b/CommonLibs/trx_vty.c
index df0114a..2c7ecc2 100644
--- a/CommonLibs/trx_vty.c
+++ b/CommonLibs/trx_vty.c
@@ -222,7 +222,7 @@
 DEFUN(cfg_clock_ref, cfg_clock_ref_cmd,
 	"clock-ref (internal|external|gpsdo)",
 	"Set the Reference Clock\n"
-	"Enable internal referece (default)\n"
+	"Enable internal reference (default)\n"
 	"Enable external 10 MHz reference\n"
 	"Enable GPSDO reference\n")
 {