diff --git a/pywavelet/README.md b/pywavelet/README.md
index e6bc566..110b968 100644
--- a/pywavelet/README.md
+++ b/pywavelet/README.md
@@ -6,6 +6,10 @@ Questions to [David Rotermund](mailto:davrot@uni-bremen.de)
 
 You might want to read: [A Practical Guide to Wavelet Analysis](https://paos.colorado.edu/research/wavelets/)  ->  [PDF](https://paos.colorado.edu/research/wavelets/bams_79_01_0061.pdf)
 
+```
+pip install PyWavelets
+```
+
 ## Which [continuous mother wavelets](https://pywavelets.readthedocs.io/en/latest/ref/cwt.html#continuous-wavelet-families) are available?
 
 ```python