Better deprecation message

Author: s4nchez

http4k-core/src/main/kotlin/org/http4k/core/http.kt

@@ -241,6 +241,6 @@ data class MemoryResponse(override val status: Status, override val headers: Hea
 
 fun <T> T.with(vararg modifiers: (T) -> T): T = modifiers.fold(this) { memo, next -> next(memo) }
 
-@Deprecated("This is", ReplaceWith("Body(this)", "org.http4k.core.Body"))
+@Deprecated("Removed in favour of explicit body creation", ReplaceWith("Body(this)", "org.http4k.core.Body"))
 fun String.toBody(): Body = Body(this)