Chapter 14 - missing word?

[theramjad]

In 14_resnet.ipynb, the sentence under the section Bottleneck Layers

This then lets us use more filters: as we see in the illustration, the number of filters in and out is 4 times higher (256 instead of 64) diminish then restore the number of channels (hence the name bottleneck).

does not quite seem to make sense as the word diminish does not fit. Is there meant to be a word before it?