Fixed typo.

documentation/ole.sgml

@@ -45,7 +45,7 @@
           Unfortunately the layout of the virtual table is compiler
           specific, the layout of g++ virtual tables is not the same
           as that of an egcs virtual table which is not the same as
-          that generated by Visual C+. There are work arounds to make
+          that generated by Visual C++. There are work arounds to make
           the virtual tables compatible via padding but unfortunately
           the one which is imposed to the Wine emulator by the Windows
           binaries, i.e. the Visual C++ one, is the most compact of