diff --git a/string/doc/string_algo.xml b/string/doc/string_algo.xml
index c768e1d..e91db32 100644
--- a/string/doc/string_algo.xml
+++ b/string/doc/string_algo.xml
@@ -28,6 +28,7 @@
             A set of generic string-related algorithms and utilities.
         </librarypurpose> 
         <librarycategory name="category:algoritms"/>
+        <librarycategory name="category:string-text"/>
     </libraryinfo>
 
     <title>Boost String Algorithms Library</title>