Fix Doxygen warnings.

doc/opengl-mapping.dox

@@ -121,7 +121,7 @@ OpenGL function                         | Matching API
 @fn_gl{DepthRangeArray}                 | |
 @fn_gl{DepthRangeIndexed}               | |
 @fn_gl{DetachShader}                    | |
-@fn_gl{DispatchCompute}                 | @ref AbstractShaderProgram::DispatchCompute()
+@fn_gl{DispatchCompute}                 | @ref AbstractShaderProgram::dispatchCompute()
 @fn_gl_extension{DispatchComputeGroupSize,ARB,compute_variable_group_size} | |
 @fn_gl{DispatchComputeIndirect}         | |
 @fn_gl{DrawArrays}, \n @fn_gl{DrawArraysInstanced}, \n @fn_gl{DrawArraysInstancedBaseInstance}, \n @fn_gl{DrawElements}, \n @fn_gl{DrawRangeElements}, \n @fn_gl{DrawElementsBaseVertex}, \n @fn_gl{DrawRangeElementsBaseVertex}, \n @fn_gl{DrawElementsInstanced}, \n @fn_gl{DrawElementsInstancedBaseInstance}, \n @fn_gl{DrawElementsInstancedBaseVertex}, \n @fn_gl{DrawElementsInstancedBaseVertexBaseInstance} | @ref Mesh::draw(), \n @ref MeshView::draw()

src/Magnum/Platform/AbstractXApplication.h

@@ -227,7 +227,12 @@ class AbstractXApplication::Configuration {
         /** @copydoc Sdl2Application::Configuration::size() */
         Vector2i size() const { return _size; }
 
-        /** @copydoc Sdl2Application::Configuration::setSize() */
+        /**
+         * @brief Set window size
+         * @return Reference to self (for method chaining)
+         *
+         * Default is `{800, 600}`.
+         */
         Configuration& setSize(const Vector2i& size) {
             _size = size;
             return *this;