diff --git a/harvard-institut-fur-praxisforschung-de.csl b/harvard-institut-fur-praxisforschung-de.csl
index dc8e6ecb28..19c8160137 100644
--- a/harvard-institut-fur-praxisforschung-de.csl
+++ b/harvard-institut-fur-praxisforschung-de.csl
@@ -17,12 +17,16 @@
       <name>Saskia Mestern</name>
       <email>saskia.mestern@gmail.com</email>
     </author>
+    <contributor>
+      <name>Patrick O'Brien</name>
+      <email>citationstyler@gmail.com</email>
+    </contributor>
     <category citation-format="author-date"/>
     <category field="generic-base"/>
     <category field="political_science"/>
     <category field="social_science"/>
     <summary>A Harvard author-date style variant as used for Political Science and others, mostly German. The in-text citation style is changed to [author year: page], avoiding the abbreviation for pages (S.) and changing the delimiters.</summary>
-    <updated>2020-07-13T09:24:45+00:00</updated>
+    <updated>2024-11-05T13:05:35+00:00</updated>
     <rights license="http://creativecommons.org/licenses/by-sa/3.0/">This work is licensed under a Creative Commons Attribution-ShareAlike 3.0 License</rights>
   </info>
   <locale xml:lang="de">
@@ -176,7 +180,7 @@
   <macro name="container-prefix">
     <choose>
       <if type="chapter paper-conference article-journal" match="any">
-        <text term="in" suffix=":"/>
+        <text term="in" suffix=": "/>
       </if>
     </choose>
   </macro>
@@ -200,29 +204,35 @@
       <key variable="issued"/>
     </sort>
     <layout>
-      <group delimiter=" " suffix=".">
-        <choose>
-          <if type="chapter paper-conference" match="any">
-            <group delimiter="; ">
-              <text macro="author"/>
-            </group>
-          </if>
-          <else>
-            <group delimiter="; ">
-              <text macro="author"/>
-              <text macro="editor"/>
-            </group>
-          </else>
-        </choose>
-        <text macro="year-date" prefix="(" suffix="):"/>
-        <text macro="title" suffix=","/>
-        <text macro="container-prefix"/>
-        <choose>
-          <if type="chapter paper-conference" match="any">
-            <text macro="editor" suffix=","/>
-          </if>
-        </choose>
-        <text variable="container-title" font-style="italic" suffix=","/>
+      <group delimiter=", " suffix=".">
+        <group delimiter=": ">
+          <group delimiter=" ">
+            <choose>
+              <if type="chapter paper-conference" match="any">
+                <group delimiter="; ">
+                  <text macro="author"/>
+                </group>
+              </if>
+              <else>
+                <group delimiter="; ">
+                  <text macro="author"/>
+                  <text macro="editor"/>
+                </group>
+              </else>
+            </choose>
+            <text macro="year-date" prefix="(" suffix="):"/>
+          </group>
+          <text macro="title" suffix=","/>
+        </group>
+        <group>
+          <text macro="container-prefix"/>
+          <choose>
+            <if type="chapter paper-conference" match="any">
+              <text macro="editor" suffix=", "/>
+            </if>
+          </choose>
+          <text variable="container-title" font-style="italic"/>
+        </group>
         <text macro="edition"/>
         <text macro="genre"/>
         <group delimiter=", ">