diff --git a/models-design/systems/reserve.drawio b/models-design/systems/reserve.drawio
index 9db16a95..ca64d9ad 100644
--- a/models-design/systems/reserve.drawio
+++ b/models-design/systems/reserve.drawio
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+                <mxCell id="22" value="A need internal to district d1 is defined and can only be met by clusters within the district. Part of the participation in the reserves of the clusters can meet the tradable requirement of district d1, which results in a fictitious transit via conv_res_int_ext_1." style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;spacingLeft=4;spacingRight=4;overflow=hidden;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;rotatable=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
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+                <mxCell id="24" value="&lt;div&gt;A tradable requirement for district d1 is defined and can be met by clusters within the district as well as by clusters from other districts, provided that capacity is reserved on the interconnections.&lt;/div&gt;&lt;div&gt;Upward reserve exports and downward reserve imports reduce the capacity of the line in the From-&amp;gt;To direction. Conversely, downward reserve exports and upward reserve imports reduce line capacity in the To-&amp;gt;From direction.&lt;/div&gt;" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;spacingLeft=4;spacingRight=4;overflow=hidden;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;rotatable=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
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+                <mxCell id="28" value="&lt;div&gt;A tradable requirement for district d2 is defined and can be met by clusters within the district as well as by clusters in other districts, provided that capacity is reserved on the interconnections.&lt;/div&gt;&lt;div&gt;Upward reserve exports and downward reserve imports reduce the capacity of the line in the From-&amp;gt;To direction. Conversely, downward reserve exports and upward reserve imports reduce line capacity in the To-&amp;gt;From direction.&lt;/div&gt;" style="text;strokeColor=none;fillColor=none;align=left;verticalAlign=middle;spacingLeft=4;spacingRight=4;overflow=hidden;points=[[0,0.5],[1,0.5]];portConstraint=eastwest;rotatable=0;whiteSpace=wrap;html=1;" parent="1" vertex="1">
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