chore: use shorter command

harish-sethuraman · harish-sethuraman · commit 1c050d94ce16 · 2022-06-16T19:36:27.000+05:30
diff --git a/README.md b/README.md
@@ -20,7 +20,7 @@ Extracts source maps from existing source files (from their <code>sourceMappingU
 To begin, you'll need to install `source-map-loader`:
 
 ```console
-npm install source-map-loader --save-dev
+npm install -D source-map-loader
 ```
 
 ```console
