diff --git a/docs/source/Compiler.md b/docs/source/Compiler.md
index a1a095a4d24..f9bed6e9c32 100644
--- a/docs/source/Compiler.md
+++ b/docs/source/Compiler.md
@@ -110,7 +110,7 @@ Additional options:
 -   `--gen-mutable` : Generate additional non-const accessors for mutating
     FlatBuffers in-place.
 
--   `--gen-onefile` : Generate single output file for C#, Go, and Python.
+-   `--gen-onefile` : Generate a single output file for C#, Go, Java, Kotlin and Python.
 
 -   `--gen-name-strings` : Generate type name functions for C++.