diff --git a/README.md b/README.md
index 5591e92..4a9a83e 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,19 @@ If there isn't, then issue the following command:
 export PATH="/usr/local/bin:$PATH"
 echo "export PATH=\"/usr/local/bin:\$PATH\"" | sudo tee -a /etc/profile
 ```
+and everything should be okay.
+
+### Ensure successful installation
+
+To make sure the installation has been done correctly, the following command
+```bash
+which scantopdf
+```
+should have the following output
+```bash
+/usr/local/bin/scantopdf
+```
+if it doesn't, try to restart the installation from scratch.
 
 
 ## Usage