Update CHANGELOG.md

CHANGELOG.md

@@ -446,4 +446,5 @@ Instalation of the existing project with Django
 * Create an redirect 404 page (fore operation) when the user try to access to an operation that doesn't exist
 * Save (with real-time) upates of geom position (operation screen) => issue [#67](#67)
 * Search issues:
-    * [#72](#72) Search zoom => map scale = 1:25000 
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+    * [#72](#72) Search zoom => map scale = 1:25000 
+    * [#73](#73) The empty popup is now not empty anymore
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