diff --git a/checkin_notes b/checkin_notes
index caa7d3da0a..8a5dca6c4a 100755
--- a/checkin_notes
+++ b/checkin_notes
@@ -6691,3 +6691,11 @@ Charlie    17 May 2005
         mac_installer
             BOINC.pmproj (new, replaces BOINC.pmsp in Tiger)
             PostInstall.cpp
+
+Bruce 17 May 2005
+    - forum style: use 'comma-separated' number format for credit/RAC
+
+    html/
+        inc/
+            forum.inc
+
diff --git a/html/inc/forum.inc b/html/inc/forum.inc
index 72092a0d99..f98c15ce4e 100644
--- a/html/inc/forum.inc
+++ b/html/inc/forum.inc
@@ -216,8 +216,11 @@ function show_post($post, $thread, $logged_in_user, $n, $controls=FORUM_CONTROLS
     // by displaying the  user id of the poster.
     // its cheap, easy, and doesn't require any additional database calls.
     echo "ID: $user->id<br>";
-    printf("Credit: %.0f<br>", $user->total_credit);
-    printf("RAC: %.1f<br>", $user->expavg_credit);
+    // printf("Credit: %.0f<br>", $user->total_credit);
+    echo "Credit: ".number_format($user->total_credit)."<br>";
+
+    // printf("RAC: %.1f<br>", $user->expavg_credit);
+    echo "RAC: ".number_format($user->expavg_credit)."<br>";
 
     echo "</font></div></td>\n\t\t<td>
     ";