diff --git a/include/boost/lambda/if.hpp b/include/boost/lambda/if.hpp
index 9ee915c..08f45f9 100644
--- a/include/boost/lambda/if.hpp
+++ b/include/boost/lambda/if.hpp
@@ -345,7 +345,7 @@ public:
 //      is true, the true_statement (again an lambda_functor) is executed
 //      otherwise, the false_statement (another lambda_functor) is executed. The
 //      result type of this is void. Note the trailing underscore after
-//      if_ and the the leading dot and the trailing underscore before
+//      if_ and the leading dot and the trailing underscore before
 //      and after .else_.
 //
 ///////////////////////////////////////////////////////////////////////////////
diff --git a/include/boost/lambda/loops.hpp b/include/boost/lambda/loops.hpp
index 4e9b60b..bd85694 100644
--- a/include/boost/lambda/loops.hpp
+++ b/include/boost/lambda/loops.hpp
@@ -348,7 +348,7 @@ while_(CondT const& cond)
 //      While the condition (an lambda_functor) evaluates to true, statement
 //      (another lambda_functor) is executed. The statement is executed at least
 //      once. The result type of this is void. Note the trailing
-//      underscore after do_ and the the leading dot and the trailing
+//      underscore after do_ and the leading dot and the trailing
 //      underscore before and after .while_.
 //
 ///////////////////////////////////////////////////////////////////////////////