diff --git a/flow-decomposition/src/main/java/com/powsybl/flow_decomposition/FlowDecompositionObserver.java b/flow-decomposition/src/main/java/com/powsybl/flow_decomposition/FlowDecompositionObserver.java
index 331ca5ff..5d79f031 100644
--- a/flow-decomposition/src/main/java/com/powsybl/flow_decomposition/FlowDecompositionObserver.java
+++ b/flow-decomposition/src/main/java/com/powsybl/flow_decomposition/FlowDecompositionObserver.java
@@ -32,7 +32,7 @@ public interface FlowDecompositionObserver {
     void computingBaseCase();
 
     /**
-     * Called when starting to compute for the contingency
+     * Called when a contingency computation starts
      *
      * @param contingencyId The current contingency id
      */
@@ -46,35 +46,35 @@ public interface FlowDecompositionObserver {
     void computedGlsk(Map<Country, Map<String, Double>> glsks);
 
     /**
-     * Called when net positions are computed (during base case computation)
+     * Called when net positions are computed (for base case computation)
      *
      * @param netPositions the net positions per country
      */
     void computedNetPositions(Map<Country, Double> netPositions);
 
     /**
-     * Called when the nodal injection matrix is computed (during n-state or contingency)
+     * Called when the nodal injection matrix is computed (for base case or contingency)
      *
      * @param nodalInjections the matrix of nodal injections indexed by(node, flow)
      */
     void computedNodalInjectionsMatrix(Map<String, Map<String, Double>> nodalInjections);
 
     /**
-     * Called when the PTDF matrix is computed (during n-state or contingency)
+     * Called when the PTDF matrix is computed (for base case or contingency)
      *
      * @param pdtfMatrix the matrix of ptdf indexed by (line, node)
      */
     void computedPtdfMatrix(Map<String, Map<String, Double>> pdtfMatrix);
 
     /**
-     * Called when the psdf matrix is computed (during n-state or contingency)
+     * Called when the PSDF matrix is computed (for base case or contingency)
      *
      * @param psdfMatrix the matrix of psdf indexed by (line, node)
      */
     void computedPsdfMatrix(Map<String, Map<String, Double>> psdfMatrix);
 
     /**
-     * Called when the AC nodal injections matrix is computed (during n-state or contingency)
+     * Called when the AC nodal injections matrix is computed (for base case or contingency)
      *
      * @param positions the positions after AC loadflow
      * @param fallbackHasBeenActivated true if AC loadflow didn't converge
@@ -82,21 +82,21 @@ public interface FlowDecompositionObserver {
     void computedAcNodalInjections(Map<String, Double> positions, boolean fallbackHasBeenActivated);
 
     /**
-     * Called when the DC nodal injections matrix is computed (during n-state or contingency)
+     * Called when the DC nodal injections matrix is computed (for base case or contingency)
      *
      * @param positions the positions after DC loadflow
      */
     void computedDcNodalInjections(Map<String, Double> positions);
 
     /**
-     * Called when the AC loadflow is computed (during n-state or contingency)
+     * Called when the AC loadflow is computed (for base case or contingency)
      *
      * @param flows the flows for all branches
      */
     void computedAcFlows(Map<String, Double> flows);
 
     /**
-     * Called when the DC loadflow is computed (during n-state or contingency)
+     * Called when the DC loadflow is computed (for base case or contingency)
      *
      * @param flows the flows for all branches
      */