diff --git a/GB_is_hle_sgb.md b/GB_is_hle_sgb.md
index e97d81a..7506bfc 100644
--- a/GB_is_hle_sgb.md
+++ b/GB_is_hle_sgb.md
@@ -6,8 +6,15 @@ In `gb.h`
 
 ## Description
 
-TBD
+Returns `true` if the emulator instance emulates a variant of the Super Game Boy, and also emulates the SFC or SNES side via high-level-emulation.
 
 ## Thread Safety
 
 `GB_is_hle_sgb` is thread-safe and can be called from any thread and context.
+
+## See Also
+
+* [[GB_model_t]]
+* [[GB_get_model]]
+* [[GB_is_sgb]]
+* [[GB_is_cgb]]
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