Update web-docs/quick-start.md

Co-authored-by: Kavindu Dodanduwa <[email protected]>
Signed-off-by: Todd Baert <[email protected]>

web-docs/quick-start.md

@@ -158,7 +158,7 @@ The evaluation context contains arbitrary attributes that targeting rules can op
 This rule will return the `green` variant if the `company` included in the _evaluation context_ matches `initech`.
 If there isn't a match, the `defaultVariant` is returned.
 
-### Test as a customer
+#### Test as a customer
 
 Let's confirm that customers are still seeing the `red` variant.