diff --git a/README.md b/README.md
index 45baf0d..3d11688 100644
--- a/README.md
+++ b/README.md
@@ -67,8 +67,8 @@ pod "Cuckoo"
 And add the following `Run script` build phase to your test target's `Build Phases`:
 
 ```Bash
-# Define output file. Change "$PROJECT_DIR/${PROJECT_NAME}Tests" to your test's root source folder, if it's not the default name.
-OUTPUT_FILE="$PROJECT_DIR/${PROJECT_NAME}Tests/GeneratedMocks.swift"
+# Define output file. Change "${PROJECT_DIR}/${PROJECT_NAME}Tests" to your test's root source folder, if it's not the default name.
+OUTPUT_FILE="${PROJECT_DIR}/${PROJECT_NAME}Tests/GeneratedMocks.swift"
 echo "Generated Mocks File = $OUTPUT_FILE"
 
 # Define input directory. Change "${PROJECT_DIR}/${PROJECT_NAME}" to your project's root source folder, if it's not the default name.