Add instuctions to remove the existing edge

Change-Id: I6091996f46e928f7f7b1342bb5f0637d28564b5e
diff --git a/advanced/metering.rst b/advanced/metering.rst
index 8a0ba23..774fc62 100755
--- a/advanced/metering.rst
+++ b/advanced/metering.rst
@@ -10,7 +10,7 @@
 
 Metering is fully supported, though it is recommended that changes to metering
 be avoided unless necessary to meet a specific need. Metering can sometimes lead
-to counterintuitive behavior, such as unexpected limitations in network performance.
+to counter-intuitive behavior, such as unexpected limitations in network performance.
 
 Description
 -----------