diff --git a/src/lexer/SolsToken.h b/src/lexer/SolsToken.h
index 636ae59..e7248b1 100644
--- a/src/lexer/SolsToken.h
+++ b/src/lexer/SolsToken.h
@@ -38,6 +38,9 @@ Result(SolsToken, charptr);
 // Creates a SolsToken. If the type passed in is STT_LITERAL, STT_TYPE, STT_IDENTIFIER or
 // STT_KW_GROUND, the function expects another argument, corresponding to the data type
 // the token holds. See the SolsToken struct for more information.
+// Returns:
+//    Success: The created SolsToken
+//    Failure: char* detailing what went wrong (usually memory failure)
 ResultType(SolsToken, charptr) createSolsToken(SolsTokenType type, ...);
 
 // Frees a SolsToken, specifically the .as field elements.