diff --git a/reference/misc/functions/highlight-string.xml b/reference/misc/functions/highlight-string.xml
index 61801beeca9c..58ec465fc574 100644
--- a/reference/misc/functions/highlight-string.xml
+++ b/reference/misc/functions/highlight-string.xml
@@ -9,7 +9,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type class="union"><type>string</type><type>bool</type></type><methodname>highlight_string</methodname>
+   <type class="union"><type>string</type><type>true</type></type><methodname>highlight_string</methodname>
    <methodparam><type>string</type><parameter>string</parameter></methodparam>
    <methodparam choice="opt"><type>bool</type><parameter>return</parameter><initializer>&false;</initializer></methodparam>
   </methodsynopsis>
@@ -48,8 +48,8 @@
   &reftitle.returnvalues;
   <para>
    If <parameter>return</parameter> is set to &true;, returns the highlighted
-   code as a string instead of printing it out. Otherwise, it will return
-   &true; on success, &false; on failure.
+   code as a string instead of printing it out.
+   Otherwise, it will return &true;.
   </para>
  </refsect1>
 
@@ -65,6 +65,12 @@
       </row>
      </thead>
      <tbody>
+      <row>
+       <entry>8.4.0</entry>
+       <entry>
+        Return type changed from <type class="union"><type>string</type><type>bool</type></type> to <type class="union"><type>string</type><type>true</type></type>.
+       </entry>
+      </row>
       <row>
        <entry>8.3.0</entry>
        <entry>
diff --git a/reference/network/functions/long2ip.xml b/reference/network/functions/long2ip.xml
index 9372dbf44ce5..3929df2244fd 100644
--- a/reference/network/functions/long2ip.xml
+++ b/reference/network/functions/long2ip.xml
@@ -38,7 +38,7 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   Returns the Internet IP address as a string, &return.falseforfailure;.
+   Returns the Internet IP address as a <type>string</type>.
   </para>
  </refsect1>
 
@@ -53,6 +53,12 @@
      </row>
     </thead>
     <tbody>
+     <row>
+      <entry>8.4.0</entry>
+      <entry>
+       Return type changed from <type class="union"><type>string</type><type>false</type></type> to <type>string</type>.
+      </entry>
+     </row>
      <row>
       <entry>7.1.0</entry>
       <entry>
diff --git a/reference/var/functions/print-r.xml b/reference/var/functions/print-r.xml
index 3b8b1a54e40b..2f616b95752e 100644
--- a/reference/var/functions/print-r.xml
+++ b/reference/var/functions/print-r.xml
@@ -11,7 +11,7 @@
  <refsect1 role="description">
   &reftitle.description;
   <methodsynopsis>
-   <type class="union"><type>string</type><type>bool</type></type><methodname>print_r</methodname>
+   <type class="union"><type>string</type><type>true</type></type><methodname>print_r</methodname>
    <methodparam><type>mixed</type><parameter>value</parameter></methodparam>
    <methodparam choice="opt"><type>bool</type><parameter>return</parameter><initializer>&false;</initializer></methodparam>
   </methodsynopsis>
@@ -67,6 +67,30 @@
   </para>
  </refsect1>
 
+ <refsect1 role="changelog">
+  &reftitle.changelog;
+  <para>
+   <informaltable>
+    <tgroup cols="2">
+     <thead>
+      <row>
+       <entry>&Version;</entry>
+       <entry>&Description;</entry>
+      </row>
+     </thead>
+     <tbody>
+      <row>
+       <entry>8.4.0</entry>
+       <entry>
+        Return type changed from <type class="union"><type>string</type><type>bool</type></type> to <type class="union"><type>string</type><type>true</type></type>.
+       </entry>
+      </row>
+     </tbody>
+    </tgroup>
+   </informaltable>
+  </para>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>