diff --git a/README.md b/README.md
index 8bf9b73..610bf4a 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
 - nltk (https://github.com/nltk/nltk )  <br>
 `pip install nltk` <br>
 - pyproj (https://github.com/pyproj4/pyproj)  <br>
-`pip install vtk`  <br>
+`pip install pyproj`  <br>
 - vtk (https://vtk.org/download/)  <br>
 `pip install vtk`  <br>
 - ipyleaflet (https://ipyleaflet.readthedocs.io/en/latest/installation.html)  <br>