Update Readme.md

Alexey

2018-01-14 270a38ecad42423053a9ca9a249d0763144fc1b9

 src/network.c

@@ -218,6 +218,7 @@
            state.delta = prev.delta;
        }
        layer l = net.layers[i];
        if (l.stopbackward) break;
        l.backward(l, state);
    }
}