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source/key-concepts/parameters.md

@@ -1,14 +1,14 @@
-# Parameters
+## Parameters
 
 A parameter is a property of the legislation that changes over time.
 
-Unlike a [variable](./variables.md), a parameter is **not** specific to a specific entity (person, household…).
+Unlike a [variable](./variablesDOESNOTEXIST.md), a parameter is **not** specific to a specific entity (person, household…).
 
 For instance:
 
 - the amount of the minimum wage;
 - the amount of family allowance per children;
-- the marginal tax scale used to calculate the income tax;
+*-* the marginal tax scale used to calculate the income tax;
 - the maximum age at which a person is entitled to some benefits;
 - the list of regions in which a tax is applicable…