README.md: better advice for users of Gradle's Kotlin DSL

README.md

@@ -78,7 +78,7 @@ Add to the project’s "build.gradle" file:
         mavenCentral()
     }
     dependencies {
-        implementation 'com.github.stephengold:j-ogg-all:1.0.5'
+        implementation("com.github.stephengold:j-ogg-all:1.0.5")
     }
 
 For some older versions of Gradle,