diff --git a/doc/src/sgml/bloom.sgml b/doc/src/sgml/bloom.sgml
index 7349095..d0cf317 100644
--- a/doc/src/sgml/bloom.sgml
+++ b/doc/src/sgml/bloom.sgml
@@ -160,7 +160,7 @@ SELECT pg_relation_size('btree_idx');
  </sect2>
 
  <sect2>
-  <title>Opclass interface</title>
+  <title>Opclass Interface</title>
 
   <para>
    The Bloom opclass interface is simple.  It requires 1 supporting function:
@@ -178,7 +178,7 @@ DEFAULT FOR TYPE text USING bloom AS
  </sect2>
 
  <sect2>
-  <title>Limitation</title>
+  <title>Limitations</title>
   <para>
 
    <itemizedlist>