diff --git a/README.md b/README.md
index 375275c7ca..f9fa6e4d88 100644
--- a/README.md
+++ b/README.md
@@ -56,7 +56,7 @@ To remove the sample data modules from the code base, run one of the following c
 
 * If sample data was deployed from the composer repository, run: `# bin/magento sampledata:remove`
 * If sample data was deployed from the GitHub repository and linked to your Magento instance, run:
-`# php -f <sample-data_clone_dir>/dev/tools/build-sample-data.php – --command=unlink --ce-source="<path_to_your_magento_instance>"`
+`# php -f <sample-data_clone_dir>/dev/tools/build-sample-data.php -- --command=unlink --ce-source="<path_to_your_magento_instance>"`
 
 To delete all the products and other entities provided by the sample data modules, delete the database and reinstall Magento with a clean database.
 
@@ -69,4 +69,4 @@ If you have deleted certain entities provided by sample data and want to restore
 The deleted sample data entities will be restored. Those entities, which were changed, will preserve these changes and will not be restored to the default view.
 
 ## Documentation
-You can find the more detailed description of sample data manipulation procedures at [http://devdocs.magento.com/guides/v2.0/install-gde/install/cli/install-cli-sample-data.html](http://devdocs.magento.com/guides/v2.0/install-gde/install/cli/install-cli-sample-data.html)
\ No newline at end of file
+You can find the more detailed description of sample data manipulation procedures at [http://devdocs.magento.com/guides/v2.0/install-gde/install/cli/install-cli-sample-data.html](http://devdocs.magento.com/guides/v2.0/install-gde/install/cli/install-cli-sample-data.html)