RTFOutputFormat uses application/rtf instead of text/rtf
diff --git a/src/main/java/freemarker/core/RTFOutputFormat.java b/src/main/java/freemarker/core/RTFOutputFormat.java
index 2d613e0..86eb103 100644
--- a/src/main/java/freemarker/core/RTFOutputFormat.java
+++ b/src/main/java/freemarker/core/RTFOutputFormat.java
@@ -47,7 +47,7 @@
 
     @Override
     public String getMimeType() {
-        return "text/rtf";
+        return "application/rtf";
     }
 
     @Override
diff --git a/src/manual/en_US/book.xml b/src/manual/en_US/book.xml
index 18d3f9e..4f6340a 100644
--- a/src/manual/en_US/book.xml
+++ b/src/manual/en_US/book.xml
@@ -5360,7 +5360,7 @@
                 <literal>\</literal> as <literal>\{</literal>,
                 <literal>\}</literal>, <literal>\\</literal></td>
 
-                <td><literal>text/rtf</literal></td>
+                <td><literal>application/rtf</literal></td>
 
                 <td><literal>RTFOutputFormat.INSTANCE</literal></td>
               </tr>
@@ -26477,6 +26477,11 @@
             </listitem>
 
             <listitem>
+              <para><literal>RTFOutputFormat</literal> now uses
+              application/rtf MIME type instead of text/rtf</para>
+            </listitem>
+
+            <listitem>
               <para>Added new built-in: <literal>is_markup_output</literal>,
               returns <literal>true</literal> if the value is of type
               <quote>markup output</quote>.</para>
diff --git a/src/test/java/freemarker/core/RTFOutputFormatTest.java b/src/test/java/freemarker/core/RTFOutputFormatTest.java
index 21e1be5..96d01d0 100644
--- a/src/test/java/freemarker/core/RTFOutputFormatTest.java
+++ b/src/test/java/freemarker/core/RTFOutputFormatTest.java
@@ -123,7 +123,7 @@
     
     @Test
     public void testGetMimeType() {
-        assertEquals("text/rtf", INSTANCE.getMimeType());
+        assertEquals("application/rtf", INSTANCE.getMimeType());
     }
     
 }