diff --git a/src/main/java/fr/mieuxvoter/mj/ProposalTallyInterface.java b/src/main/java/fr/mieuxvoter/mj/ProposalTallyInterface.java
index 0059671..70a18b0 100644
--- a/src/main/java/fr/mieuxvoter/mj/ProposalTallyInterface.java
+++ b/src/main/java/fr/mieuxvoter/mj/ProposalTallyInterface.java
@@ -2,32 +2,36 @@ package fr.mieuxvoter.mj;
 
 import java.math.BigInteger;
 
+/**
+ * Also known as the merit profile of a proposal (aka. candidate),
+ * this holds the amounts of judgments received per grade.
+ */
 public interface ProposalTallyInterface {
-	
+
 	/**
 	 * The tallies of each Grade, that is
 	 * the amount of judgments received for each Grade by the Proposal,
 	 * from "worst" ("most conservative") Grade to "best" Grade.
 	 */
 	public BigInteger[] getTally();
-	
+
 	/**
 	 * Should be the sum of getTally()
 	 * 
 	 * @return The total amount of judgments received by this proposal.
 	 */
 	public BigInteger getAmountOfJudgments();
-	
+
 	/**
 	 * Homemade factory to skip the clone() shenanigans.
 	 * Used by the score calculus.
 	 */
 	public ProposalTallyInterface duplicate();
-	
+
 	/**
 	 * Move judgments that were fromGrade into intoGrade.
 	 * Used by the score calculus.
 	 */
 	public void moveJudgments(Integer fromGrade, Integer intoGrade);
-	
+
 }