diff --git a/README.md b/README.md
index bdb8742..0e742a8 100755
--- a/README.md
+++ b/README.md
@@ -60,7 +60,7 @@ Checkout for latest available [builds](https://github.com/bohdanbobrowski/blog2e
 #### macOS/Linux:
 
     source ./venv/bin/activate
-    pip install -e '.[dev]'
+    pip install -e .[dev]
 
 ### Building own executable