diff --git a/include/boost/algorithm/string/find_iterator.hpp b/include/boost/algorithm/string/find_iterator.hpp
index 9858199..26891dd 100644
--- a/include/boost/algorithm/string/find_iterator.hpp
+++ b/include/boost/algorithm/string/find_iterator.hpp
@@ -108,7 +108,7 @@ namespace boost {
             //! Constructor
             /*!
                 Construct new find_iterator for a given finder
-                and a collection.
+                and a range.
             */
             template<typename FinderT, typename RangeT>
             find_iterator(
diff --git a/include/boost/algorithm/string/trim.hpp b/include/boost/algorithm/string/trim.hpp
index 8c21e65..ed711cd 100644
--- a/include/boost/algorithm/string/trim.hpp
+++ b/include/boost/algorithm/string/trim.hpp
@@ -46,7 +46,7 @@ namespace boost {
             or copied to the output iterator
 
             \param Output An output iterator to which the result will be copied
-            \param Input An input collection
+            \param Input An input range
             \param IsSpace An unary predicate identifying spaces
             \return 
                 An output iterator pointing just after the last inserted character or
@@ -152,7 +152,7 @@ namespace boost {
             or copied to the output iterator
 
             \param Output An output iterator to which the result will be copied
-            \param Input An input collection
+            \param Input An input range
             \param IsSpace An unary predicate identifying spaces
             \return 
                 An output iterator pointing just after the last inserted character or
@@ -262,7 +262,7 @@ namespace boost {
             or copied to the output iterator
 
             \param Output An output iterator to which the result will be copied
-            \param Input An input collection
+            \param Input An input range
             \param IsSpace An unary predicate identifying spaces
             \return 
                 An output iterator pointing just after the last inserted character or