[datareader.cpp] Extend comment

src/datareader.cpp

@@ -215,7 +215,7 @@ void DataReader::readFile(QString file)
                 while (iterator.hasNext()) {
                     iterator.next();
                     // we are explicit about two common factors, the suffix `jpeg` (ToDo: add `jpg` and `png`
-                    // throughout all C++ source files), and basename cover or folder
+                    // throughout all C++ source files, see issue #78), and basename cover or folder
                     if (iterator.fileInfo().isFile()) {
                         if (  iterator.fileInfo().suffix() == "jpeg" &&
                               // See ToDo above: (… || iterator.fileInfo().suffix() == "jpg" ||