diff --git a/HISTORY.md b/HISTORY.md
index bf9a10cb..b3b3f75d 100755
--- a/HISTORY.md
+++ b/HISTORY.md
@@ -52,6 +52,7 @@
 ### 2019-03-12
 * Threads: changed microphone volume (back) to a scale of 0-100
 * Threads, Objects: added "play frequency" primitive to "Sound" category
+* updated German translation for "play frequency" primitive
 
 ### 2019-03-11
 * added note / hz conversion blocks to audioComp library
diff --git a/locale/lang-de.js b/locale/lang-de.js
index 8fbbbb90..ed5e2783 100644
--- a/locale/lang-de.js
+++ b/locale/lang-de.js
@@ -185,7 +185,7 @@ SnapTranslator.dict.de = {
     'translator_e-mail':
         'jens@moenig.org, jadga.huegle@sap.com', // optional
     'last_changed':
-        '2019-03-11', // this, too, will appear in the Translators tab
+        '2019-03-12', // this, too, will appear in the Translators tab
 
     // GUI
     // control bar:
@@ -402,6 +402,8 @@ SnapTranslator.dict.de = {
         'setze Tempo auf %n Schl\u00e4ge/Min.',
     'tempo':
         'Tempo',
+    'play %n hz for %n secs':
+        'spiele %n hz f\u00fcr %n Sek.',
 
     // "instruments", i.e. wave forms
     '(1) sine':
diff --git a/snap.html b/snap.html
index 828a54e9..05897a95 100755
--- a/snap.html
+++ b/snap.html
@@ -18,7 +18,7 @@
         <script type="text/javascript" src="src/sketch.js?version=2019-02-22"></script>
         <script type="text/javascript" src="src/xml.js?version=2018-11-12"></script>
         <script type="text/javascript" src="src/store.js?version=2019-02-22"></script>
-        <script type="text/javascript" src="src/locale.js?version=2019-03-11"></script>
+        <script type="text/javascript" src="src/locale.js?version=2019-03-12"></script>
         <script type="text/javascript" src="src/cloud.js?version=2019-02-20"></script>
         <script type="text/javascript" src="src/sha512.js?version=2018-10-02"></script>
         <script type="text/javascript" src="src/FileSaver.min.js?version=2018-10-02"></script>
diff --git a/src/locale.js b/src/locale.js
index 0b2a9a92..9e95eca4 100644
--- a/src/locale.js
+++ b/src/locale.js
@@ -42,7 +42,7 @@
 
 /*global modules, contains*/
 
-modules.locale = '2019-March-11';
+modules.locale = '2019-March-12';
 
 // Global stuff
 
@@ -160,7 +160,7 @@ SnapTranslator.dict.de = {
     'translator_e-mail':
         'jens@moenig.org, jadga.huegle@sap.com',
     'last_changed':
-        '2019-03-11'
+        '2019-03-12'
 };
 
 SnapTranslator.dict.it = {