diff --git a/cronjobs/tables_cleanup.php b/cronjobs/tables_cleanup.php
index b47918ae2..c2f42780e 100755
--- a/cronjobs/tables_cleanup.php
+++ b/cronjobs/tables_cleanup.php
@@ -59,7 +59,7 @@
 }
 $log->logInfo(sprintf($strLogMask, 'cleanupTokens', $affected, number_format(microtime(true) - $start, 3), $status, $message));
 
-// Clenaup shares archive
+// Cleanup shares archive
 $start = microtime(true);
 $status = 'OK';
 $message = '';
@@ -73,7 +73,7 @@
 }
 $log->logInfo(sprintf($strLogMask, 'purgeArchive', $affected, number_format(microtime(true) - $start, 3), $status, $message));
 
-// Clenaup shares archive
+// Cleanup shares archive
 $start = microtime(true);
 $status = 'OK';
 $message = '';
diff --git a/include/classes/csrftoken.class.php b/include/classes/csrftoken.class.php
index 373a1210a..130b42807 100644
--- a/include/classes/csrftoken.class.php
+++ b/include/classes/csrftoken.class.php
@@ -16,19 +16,22 @@ public function getBasic($user, $type) {
   }
   
   /**
-   * Returns +1 min and +1 hour rollovers hashes
+   * Returns +1 min up to +15 min rollovers hashes
    * @param string $user user or IP/host address
    * @param string $type page name or other unique per-page identifier
-   * @return array 1min and 1hour hashes
+   * @return array 1 minute ago up to 15 minute ago hashes
    */
+  
   public function checkAdditional($user, $type) {
     $date = date('m/d/y/H/i');
     $d = explode('/', $date);
-    // minute may have rolled over
-    $seed1 = $this->buildSeed($user.$type, $d[0], $d[1], $d[2], $d[3], ($d[4]-1));
-    // hour may have rolled over
-    $seed2 = $this->buildSeed($user.$type, $d[0], $d[1], $d[2], ($d[3]-1), 59);
-    return array($this->getHash($seed1), $this->getHash($seed2));
+    $hashes = array();
+    for ($x = 1; $x < 16; $x++){
+        for ($y = 4;$d[$y]-- == 0;$y--);
+        if ($d[4] < 0) { $d[4] = 59; }
+        $hashes[$x-1] = $this->getHash($this->buildSeed($user.$type, $d[0], $d[1], $d[2], $d[3], $d[4]));
+    }
+    return $hashes;
   }
   
   /**
diff --git a/templates/bootstrap/dashboard/round_statistics/pplns/round.tpl b/templates/bootstrap/dashboard/round_statistics/pplns/round.tpl
index 234e31cec..dfa260403 100644
--- a/templates/bootstrap/dashboard/round_statistics/pplns/round.tpl
+++ b/templates/bootstrap/dashboard/round_statistics/pplns/round.tpl
@@ -70,7 +70,7 @@
                   <p class="h5" id="b-nextdiff">{if $GLOBAL.nethashrate > 0}{$NETWORK.EstNextDifficulty|number_format:"8"}{else}n/a{/if}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
-                  <p class="h6">Est Next Difficulty{if $GLOBAL.nethashrate > 0}<br/>Change in {$NETWORK.BlocksUntilDiffChange} Blocks{else}No Estimates{/if}</p>
+                  <p class="h6">Est. Next Difficulty{if $GLOBAL.config.coindiffchangetarget > 1}{if $GLOBAL.nethashrate > 0}<br/>Change in {$NETWORK.BlocksUntilDiffChange} Blocks{else}No Estimates{/if}{/if}</p>
                 </div>
               </div>
             </div> 
diff --git a/templates/bootstrap/dashboard/round_statistics/pps/round.tpl b/templates/bootstrap/dashboard/round_statistics/pps/round.tpl
index 7fc95e6c5..7ed86472f 100644
--- a/templates/bootstrap/dashboard/round_statistics/pps/round.tpl
+++ b/templates/bootstrap/dashboard/round_statistics/pps/round.tpl
@@ -130,7 +130,7 @@
                   <p id="b-nextdiff" class="h5">{if $GLOBAL.nethashrate > 0}{$NETWORK.EstNextDifficulty|number_format:"8"}{else}n/a{/if}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
-                  <p class="h6">Est Next Difficulty{if $GLOBAL.nethashrate > 0}<br/>Change in {$NETWORK.BlocksUntilDiffChange} Blocks{else}No Estimates{/if}</p>
+                  <p class="h6">Est. Next Difficulty{if $GLOBAL.config.coindiffchangetarget > 1}{if $GLOBAL.nethashrate > 0}<br/>Change in {$NETWORK.BlocksUntilDiffChange} Blocks{else}No Estimates{/if}{/if}</p>
                 </div>
               </div>
             </div>
diff --git a/templates/bootstrap/dashboard/round_statistics/prop/round.tpl b/templates/bootstrap/dashboard/round_statistics/prop/round.tpl
index 1fe67f59c..8ea54a2e9 100644
--- a/templates/bootstrap/dashboard/round_statistics/prop/round.tpl
+++ b/templates/bootstrap/dashboard/round_statistics/prop/round.tpl
@@ -70,7 +70,7 @@
                   <p class="h5" id="b-nextdiff">{if $GLOBAL.nethashrate > 0}{$NETWORK.EstNextDifficulty|number_format:"8"}{else}n/a{/if}</p>
                 </div>
                 <div class="circle-tile-number text-faded">
-                  <p class="h6">Est Next Difficulty{if $GLOBAL.nethashrate > 0}<br/>Change in {$NETWORK.BlocksUntilDiffChange} Blocks{else}No Estimates{/if}</p>
+                  <p class="h6">Est. Next Difficulty{if $GLOBAL.config.coindiffchangetarget > 1}{if $GLOBAL.nethashrate > 0}<br/>Change in {$NETWORK.BlocksUntilDiffChange} Blocks{else}No Estimates{/if}{/if}</p>
                 </div>
               </div>
             </div>