diff --git a/op/op.Categories.php b/op/op.Categories.php
index ce54a75e9..7fdabceab 100644
--- a/op/op.Categories.php
+++ b/op/op.Categories.php
@@ -54,6 +54,9 @@ if ($action == "addcategory") {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
 	$categoryid=$newCategory->getID();
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_add_category')));
+	add_log_line(".php&action=addcategory&categoryid=".$categoryid);
 }
 
 //Kategorie löschen ----------------------------------------------------------------------------------
@@ -76,6 +79,9 @@ else if ($action == "removecategory") {
 	if (!$category->remove()) {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_rm_category')));
+	add_log_line(".php&action=removecategory&categoryid=".$categoryid);
 	$categoryid=-1;
 }
 
@@ -100,6 +106,9 @@ else if ($action == "editcategory") {
 	if (!$category->setName($name)) {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_edit_category')));
+	add_log_line(".php&action=editcategory&categoryid=".$categoryid);
 }
 
 else {
diff --git a/op/op.DefaultKeywords.php b/op/op.DefaultKeywords.php
index c85271f94..069d8955a 100644
--- a/op/op.DefaultKeywords.php
+++ b/op/op.DefaultKeywords.php
@@ -54,6 +54,9 @@ if ($action == "addcategory") {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
 	$categoryid=$newCategory->getID();
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_add_keyword_category')));
+	add_log_line(".php&action=addcategory&categoryid=".$categoryid);
 }
 
 // Delete keyword categorie ---------------------------------------------
@@ -80,6 +83,9 @@ else if ($action == "removecategory") {
 	if (!$category->remove()) {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_rm_keyword_category')));
+	add_log_line(".php&action=removecategory&categoryid=".$categoryid);
 	$categoryid=-1;
 }
 
@@ -109,6 +115,9 @@ else if ($action == "editcategory") {
 	if (!$category->setName($name)) {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_edit_keyword_category')));
+	add_log_line(".php&action=editcategory&categoryid=".$categoryid);
 }
 
 // Modify keyword categorie: new list of keywords -----------------------
@@ -132,6 +141,9 @@ else if ($action == "newkeywords") {
 			UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 		}
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_add_keyword')));
+	add_log_line(".php&action=newkeywords&categoryid=".$categoryid);
 }
 
 // Modify keyword categorie: modify list of keywords -------------------
@@ -166,6 +178,9 @@ else if ($action == "editkeywords")
 	if (!$category->editKeywordList($keywordsid, $keywords)) {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_edit_keyword')));
+	add_log_line(".php&action=editkeywords&categoryid=".$categoryid);
 }
 
 // Modify keyword categorie: delete list of keywords --------------------
@@ -198,6 +213,9 @@ else if ($action == "removekeywords") {
 	if (!$category->removeKeywordList($keywordsid)) {
 		UI::exitError(getMLText("admin_tools"),getMLText("error_occured"));
 	}
+
+	$session->setSplashMsg(array('type'=>'success', 'msg'=>getMLText('splash_rm_keyword')));
+	add_log_line(".php&action=removekeywords&categoryid=".$categoryid);
 }
 else {
 	UI::exitError(getMLText("admin_tools"),getMLText("unknown_command"));