Index: libs/config/doc/html/boost_config/boost_macro_reference.html
===================================================================
--- libs/config/doc/html/boost_config/boost_macro_reference.html	(revision 72280)
+++ libs/config/doc/html/boost_config/boost_macro_reference.html	(working copy)
@@ -3457,7 +3457,7 @@
               </td>
 <td>
                 <p>
-                  Defined if the Windows platfrom API is available.
+                  Defined if the Windows platform API is available.
                 </p>
               </td>
 </tr>
Index: libs/config/doc/macro_reference.qbk
===================================================================
--- libs/config/doc/macro_reference.qbk	(revision 72280)
+++ libs/config/doc/macro_reference.qbk	(working copy)
@@ -890,7 +890,7 @@
 Defined to 1 if the compiler is the Clang compiler.
 ]]
 [[`BOOST_WINDOWS`][`<boost/config.hpp>`][
-Defined if the Windows platfrom API is available.
+Defined if the Windows platform API is available.
 ]]
 [[`BOOST_DINKUMWARE_STDLIB`][`<boost/config.hpp>`][
 Defined if the dinkumware standard library is in use, takes the same value