diff --git a/reference/gmp/functions/gmp-init.xml b/reference/gmp/functions/gmp-init.xml
index 5486dbcaca..891fa4b8aa 100644
--- a/reference/gmp/functions/gmp-init.xml
+++ b/reference/gmp/functions/gmp-init.xml
@@ -69,10 +69,17 @@
       </row>
      </thead>
      <tbody>
+      <row>
+       <entry>5.3.2</entry>
+       <entry>
+        The <parameter>base</parameter> was extended from 2 to 36, to
+        2 to 62 and -2 to -36.
+       </entry>
+      </row>
       <row>
        <entry>4.1.0</entry>
        <entry>
-        The optional <parameter>base</parameter>  parameter was added.
+        The optional <parameter>base</parameter> parameter was added.
        </entry>
       </row>
      </tbody>
@@ -81,6 +88,16 @@
   </para>
  </refsect1>
 
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    To use the extended base introduced in PHP 5.3.2, then 
+    PHP must be compiled against GMP 4.2.0 or greater.
+   </para>
+  </note>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>
diff --git a/reference/gmp/functions/gmp-strval.xml b/reference/gmp/functions/gmp-strval.xml
index f09ed370eb..798292decc 100644
--- a/reference/gmp/functions/gmp-strval.xml
+++ b/reference/gmp/functions/gmp-strval.xml
@@ -65,7 +65,7 @@
      </thead>
      <tbody>
       <row>
-       <entry>5.2.12 and 5.3.2</entry>
+       <entry>5.3.2</entry>
        <entry>
         The <parameter>base</parameter> was extended from 2 to 36, to
         2 to 62 and -2 to -36.
@@ -77,6 +77,16 @@
   </para>
  </refsect1>
 
+ <refsect1 role="notes">
+  &reftitle.notes;
+  <note>
+   <para>
+    To use the extended base introduced in PHP 5.3.2, then 
+    PHP must be compiled against GMP 4.2.0 or greater.
+   </para>
+  </note>
+ </refsect1>
+
  <refsect1 role="examples">
   &reftitle.examples;
   <para>