Fix fabric check

Change-Id: I7e27c0fb8309c1318a3fb7254dbb4bba45df6596
diff --git a/_modules/maasng.py b/_modules/maasng.py
index ace6c90..f14b18e 100644
--- a/_modules/maasng.py
+++ b/_modules/maasng.py
@@ -1061,7 +1061,7 @@
     try:
         return list_fabric()[fabric]['id']
     except KeyError:
-        return {"error": "Frabic not found on MaaS server"}
+        return {"error": "Fabric not found on MaaS server"}
 
 
 def check_vlan_in_fabric(fabric, vlan):