diff --git a/mkdocs/README.md b/mkdocs/README.md
index 7635f5050..6e3aa63f4 100644
--- a/mkdocs/README.md
+++ b/mkdocs/README.md
@@ -22,6 +22,6 @@
 To build the documentation:
 
 1. Install [Doxygen](https://www.doxygen.nl/).
-1. From this directory, run `doxygen`.
+2. From this directory, run `doxygen`.
 
 The output will be in `./build/html`.