diff --git a/disaster_recovery.md b/disaster_recovery.md
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--- a/disaster_recovery.md
+++ b/disaster_recovery.md
@@ -1,4 +1,5 @@
 # Disaster recovery
 
-Disaster Recovery (DR) regroup all the means to recover after losing your hosts and your storage repositories.
+Disaster Recovery (DR) regroup all the means to recover after losing hosts or storage repositories.
 
+In this documentation, we'll only see the technical aspect of DR, which is a vast topic.
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