Slightly update instructions

introduction/Coalitions.html

@@ -26,7 +26,7 @@ <h4> Group formation </h4>
     </span>
     The group is then successfully formed and its members' payoffs are then determined by the agreed-upon proposal. 
     All other players get 0. 
-    <span style="color: #b70505; font-weight: bold;"> If there is no such agreement, all five players get 0. </span>
+    <span style="color: #b70505; font-weight: bold;"> If there is no such agreement, all three players get 0. </span>
 </p>
 <p> Note that because Player 1 has to be included for a group to receive a budget, there will be one group at most.</p>
 
@@ -40,7 +40,7 @@ <h5> Try it yourself </h5>
         <b> This is just for illustration purposes: in the actual experiment, you will not be able to modify the choices of other players. </b>
     </p>
     <p>
-        Here is an example of a game where five proposals were made.
+        Here is an example of a game where four proposals were made.
         As before, "All proposals" is a table of offers. 
 
         In the "Choose a proposal" interface you can set which proposal ID each player accepts (or whether they reject all, by choosing "-"). 

introduction/Proposal.html

@@ -49,7 +49,7 @@ <h4> Past proposals </h4>
     Each row corresponds to one proposal.
     In the first column, you see the "ID" of the proposal (this is just the number of the proposal, e.g. the second proposal that was made has the ID 2), this is used for easier reference later on. 
     In the second column you see who made the proposal. 
-    In the remaining five columns you see which amount each player gets in this proposal.
+    In the remaining three columns you see which amount each player gets in this proposal.
     Players not included in the proposed group are marked with "-".
 </p>