diff --git a/language/predefined/variables/get.xml b/language/predefined/variables/get.xml
index fe72e0accb..179925d864 100644
--- a/language/predefined/variables/get.xml
+++ b/language/predefined/variables/get.xml
@@ -78,6 +78,11 @@ Hello Hannes!
  <refsect1 role="notes">
   &reftitle.notes;
   &note.is-superglobal;
+  <note>
+   <para>
+    The GET variables are passed through <function>urldecode</function>.
+   </para>
+  </note>
  </refsect1>
 
  <refsect1 role="seealso">
diff --git a/reference/url/functions/urldecode.xml b/reference/url/functions/urldecode.xml
index 298c6694ff..f947ca1759 100644
--- a/reference/url/functions/urldecode.xml
+++ b/reference/url/functions/urldecode.xml
@@ -14,7 +14,8 @@
   </methodsynopsis>
   <para>
    Decodes any <literal>%<replaceable>##</replaceable></literal>
-   encoding in the given string. 
+   encoding in the given string. Plus symbols ('<literal>+</literal>') are
+   decoded to a space character.
   </para>
  </refsect1>