diff --git a/frontend/app/scripts/components/alert/AlertSimilarCaseListCmp.js b/frontend/app/scripts/components/alert/AlertSimilarCaseListCmp.js
index 4e412fade0..850bad9b42 100644
--- a/frontend/app/scripts/components/alert/AlertSimilarCaseListCmp.js
+++ b/frontend/app/scripts/components/alert/AlertSimilarCaseListCmp.js
@@ -18,7 +18,7 @@
 
                 self.rateFilters = {
                     fObservables: undefined,
-                    fIoc: undefined
+                    fIocs: undefined
                 };
 
                 self.sortField = '-sCreatedAt';
@@ -72,7 +72,8 @@
                                 item.fTitle = item.case.title;
                                 item.fMatches = _.keys(item.observableTypes);
                                 item.fObservables = Math.floor((item.similarObservableCount / item.observableCount) * 100);
-                                item.fIocs = Math.floor((item.similarIocCount / item.iocCount) * 100);
+                                item.fIocs = Math.floor((item.similarIocCount / item.iocCount) * 100) || 0;
+
                                 item.sCreatedAt = item.case._createdAt;
                             });
 
@@ -101,7 +102,7 @@
 
                     self.rateFilters = {
                         fObservables: undefined,
-                        fIoc: undefined
+                        fIocs: undefined
                     };
                 };
 
diff --git a/frontend/app/views/components/alert/similar-case-list.component.html b/frontend/app/views/components/alert/similar-case-list.component.html
index e870abc60d..63585991c8 100644
--- a/frontend/app/views/components/alert/similar-case-list.component.html
+++ b/frontend/app/views/components/alert/similar-case-list.component.html
@@ -70,20 +70,20 @@
             <div class="case-item filter-panel">
                 <div class="case-details text-bold">
                     <div class="form-group has-feedback has-clear">
-                        <input type="text" class="form-control input-sm" ng-model="$cmp.similarityFilters.fTitle">
+                        <input type="text" class="form-control input-sm" ng-model="$cmp.similarityFilters.fTitle" placeholder="Filter by title">
                         <a class="fa fa-times-circle form-control-feedback form-control-clear text-muted" ng-click="$cmp.similarityFilters.fTitle = undefined" style="pointer-events: auto;cursor: pointer;"></a>
                     </div>
                 </div>
                 <div class="case-date text-bold"></div>
                 <div class="case-similarity text-bold">
                     <div class="form-group has-feedback has-clear">
-                        <input type="number" class="form-control input-sm" ng-model="$cmp.rateFilters.fObservables">
+                        <input type="number" class="form-control input-sm" ng-model="$cmp.rateFilters.fObservables" placeholder="% min.">
                         <a class="fa fa-times-circle form-control-feedback form-control-clear text-muted" ng-click="$cmp.rateFilters.fObservables = undefined" style="pointer-events: auto;cursor: pointer;"></a>
                     </div>
                 </div>
                 <div class="case-similarity text-bold">
                     <div class="form-group has-feedback has-clear">
-                        <input type="number" class="form-control input-sm" ng-model="$cmp.rateFilters.fIocs">
+                        <input type="number" class="form-control input-sm" ng-model="$cmp.rateFilters.fIocs" placeholder="% min." step="1" min="0">
                         <a class="fa fa-times-circle form-control-feedback form-control-clear text-muted" ng-click="$cmp.rateFilters.fIocs = undefined" style="pointer-events: auto;cursor: pointer;"></a>
                     </div>
                 </div>
@@ -141,13 +141,13 @@
 
                     <div class="case-similarity">
                         <div>
-                            <strong>{{(item.similarObservableCount / item.observableCount) | percentage:0}}</strong> ({{item.similarObservableCount}} / {{item.observableCount}})
+                            <a href ng-click="$cmp.rateFilters.fObservables = item.fObservables"><strong>{{item.fObservables | number:0}} %</strong></a> ({{item.similarObservableCount}} / {{item.observableCount}})
                             <uib-progressbar class="progress progress-sm" max="item.observableCount" value="item.similarObservableCount" type="primary"></uib-progressbar>
                         </div>
                     </div>
                     <div class="case-similarity">
                         <div ng-if="item.iocCount > 0">
-                            <strong>{{(item.similarIocCount / item.iocCount) | percentage:0}}</strong> ({{item.similarIocCount}} / {{item.iocCount}})
+                            <a href ng-click="$cmp.rateFilters.fIocs = item.fIocs"><strong>{{item.fIocs | number:0}} %</strong></a> ({{item.similarIocCount}} / {{item.iocCount}})
                             <uib-progressbar class="progress progress-sm" max="item.iocCount" value="item.similarIocCount" type="danger"></uib-progressbar>
                         </div>
                         <div ng-if="item.iocCount === 0">
diff --git a/frontend/app/views/components/alert/similarity/toolbar.html b/frontend/app/views/components/alert/similarity/toolbar.html
index 85713bdb94..6f10e21bbb 100644
--- a/frontend/app/views/components/alert/similarity/toolbar.html
+++ b/frontend/app/views/components/alert/similarity/toolbar.html
@@ -30,7 +30,7 @@
                 <div class="page-sizer">
                     <select class="form-control input-sm"
                         ng-model="$cmp.pagination.pageSize"
-                        ng-options="v for v in [1,2,5,10,15,30,50]"></select>
+                        ng-options="v for v in [10,15,30,50]"></select>
                     <span class="page-sizer-label nowrap ml-xxs">per page</span>
                 </div>
             </div>