Remove an obsolete precision (the example has been changed so the word in...

Remove an obsolete precision (the example has been changed so the word in parenthesis doesn't make sense anymore) and change the modal used

ICHLL_Brenon.md

@@ -349,7 +349,7 @@ length of an inclusion path will be called its *depth*.
 The ability for an element to contain itself corresponds directly to loops on
 the graph (that is an edge from a node to itself) as can be illustrated by the
 `<entry/>` element on figure \ref{fig:dictionaries-subgraph}: an `<entry/>`
-element (abbreviation) can directly contain another one.
+element may directly contain another one.
 
 The generalisation of this to inclusion paths of any length greater than one is
 usually called a cycle and it appears natural to refine this and name them