doc/doxygen: improve doc

doc/doxygen/chapters/basic_examples.doxy

@@ -14,7 +14,7 @@ This section shows how to implement a simple program that submits a task
 to StarPU using the StarPU C extension (\ref cExtensions). The complete example, and additional examples,
 is available in the <c>gcc-plugin/examples</c> directory of the StarPU
 distribution. A similar example showing how to directly use the StarPU's API is shown
-in @ref{Hello World using StarPU's API}.
+in \ref Hello_World_using_StarPU_API.
 
 GCC from version 4.5 permit to use the StarPU GCC plug-in (\ref cExtensions). This makes writing a task both simpler and less error-prone.
 In a nutshell, all it takes is to declare a task, declare and define its

doc/doxygen/chapters/building.doxy

@@ -42,13 +42,13 @@ If <c>hwloc</c> is not available on your system, the option
 <c>--without-hwloc</c> should be explicitely given when calling the
 <c>configure</c> script. If <c>hwloc</c> is installed with a <c>pkg-config</c> file,
 no option is required, it will be detected automatically, otherwise
-<c>with-hwloc=prefix</c> should be used to specify the location
+<c>--with-hwloc=prefix</c> should be used to specify the location
 of <c>hwloc</c>.
 
 \subsection getting_sources Getting Sources
 
 StarPU's sources can be obtained from the <a href="http://runtime.bordeaux.inria.fr/StarPU/files/">download page of
-the StarPU website</a>
+the StarPU website</a>.
 
 All releases and the development tree of StarPU are freely available
 on INRIA's gforge under the LGPL license. Some releases are available