diff --git a/reference/reflection/reflectionmethod/invoke.xml b/reference/reflection/reflectionmethod/invoke.xml
index d5251cbc38..efd63a32c3 100644
--- a/reference/reflection/reflectionmethod/invoke.xml
+++ b/reference/reflection/reflectionmethod/invoke.xml
@@ -12,7 +12,8 @@
   <methodsynopsis>
    <modifier>public</modifier> <type>mixed</type><methodname>ReflectionMethod::invoke</methodname>
    <methodparam><type>object</type><parameter>object</parameter></methodparam>
-   <methodparam><type>string</type><parameter>args</parameter></methodparam>
+   <methodparam choice="opt"><type>mixed</type><parameter>parameter</parameter></methodparam>
+   <methodparam choice="opt"><type>mixed</type><parameter>...</parameter></methodparam>
   </methodsynopsis>
   <para>
    Invokes a reflected method.
@@ -30,17 +31,17 @@
      <term><parameter>object</parameter></term>
      <listitem>
       <para>
-       The object to invoke.
+       The object to invoke the method on. In case of static methods, you can pass
+       <type>null</type> to this parameter.
       </para>
      </listitem>
     </varlistentry>
     <varlistentry>
-     <term><parameter>args</parameter></term>
+     <term><parameter>parameter</parameter></term>
      <listitem>
       <para>
-       The passed in argument list. It accepts a variable number of
-       arguments which are passed to the function much like
-       <function>call_user_func</function> is.
+       Zero or more parameters to be passed to the method.
+       It accepts a variable number of parameters which are passed to the method.
       </para>
      </listitem>
     </varlistentry>
@@ -51,7 +52,18 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   
+   Returns the method result.
+  </para>
+ </refsect1>
+
+ <refsect1 role="errors">
+  &reftitle.errors;
+  <para>
+   A <classname>ReflectionException</classname> if the <parameter>object</parameter>
+   parameter does not contain an instance of the class that this method was declared in.
+  </para>
+  <para>
+   A <classname>ReflectionException</classname> if the method invocation failed.
   </para>
  </refsect1>
 
diff --git a/reference/reflection/reflectionmethod/invokeargs.xml b/reference/reflection/reflectionmethod/invokeargs.xml
index c329ab2cba..afcb3557b9 100644
--- a/reference/reflection/reflectionmethod/invokeargs.xml
+++ b/reference/reflection/reflectionmethod/invokeargs.xml
@@ -11,7 +11,7 @@
   &reftitle.description;
   <methodsynopsis>
    <modifier>public</modifier> <type>mixed</type><methodname>ReflectionMethod::invokeArgs</methodname>
-   <methodparam><type>string</type><parameter>object</parameter></methodparam>
+   <methodparam><type>object</type><parameter>object</parameter></methodparam>
    <methodparam><type>array</type><parameter>args</parameter></methodparam>
   </methodsynopsis>
   <para>
@@ -30,7 +30,8 @@
      <term><parameter>object</parameter></term>
      <listitem>
       <para>
-
+       The object to invoke the method on. In case of static methods, you can pass
+       <type>null</type> to this parameter.
       </para>
      </listitem>
     </varlistentry>
@@ -38,7 +39,7 @@
      <term><parameter>args</parameter></term>
      <listitem>
       <para>
-
+       The parameters to be passed to the function, as an <type>array</type>.
       </para>
      </listitem>
     </varlistentry>
@@ -49,7 +50,18 @@
  <refsect1 role="returnvalues">
   &reftitle.returnvalues;
   <para>
-   
+   Returns the method result.
+  </para>
+ </refsect1>
+
+ <refsect1 role="errors">
+  &reftitle.errors;
+  <para>
+   A <classname>ReflectionException</classname> if the <parameter>object</parameter>
+   parameter does not contain an instance of the class that this method was declared in.
+  </para>
+  <para>
+   A <classname>ReflectionException</classname> if the method invocation failed.
   </para>
  </refsect1>