Update 3_dependency.md

scanner/3_dependency.md

@@ -101,7 +101,7 @@ buildscript {
 }
 ```
 
-2. Add the below line in build.gradle file in the app(your application name, default : app) directory.
+2. Add the below line in build.gradle file in the app(your application name, default : app) directory. It must be added to the subline of the plugins block (or apply plugin:'com.android.application') to prevent an error from occurring.
 ```
 apply plugin: 'org.fosslight'
 ```