diff --git a/src/she/plaintext.rs b/src/she/plaintext.rs
index 8bf9167e..ea283950 100644
--- a/src/she/plaintext.rs
+++ b/src/she/plaintext.rs
@@ -29,6 +29,10 @@ impl Plaintexts {
     }
 
     pub fn restricted_rand<T: Rng>(params: &SHEParameters, rng: &mut T) -> Plaintexts {
+        // TODO: make this more general
+        // currently:
+        // Lower Bound > maximum value of possible secret input (approximately 10,000 in this case) * number of participants
+        // Upper Bound * number of participants < period of the ScalarField of edwards_bls12_377 (≒10^75)
         let upper_bound = 1000000000;
         let lower_bound = 100000;