diff --git a/core/translate/index.rs b/core/translate/index.rs
index a82cccf68..93d5d8182 100644
--- a/core/translate/index.rs
+++ b/core/translate/index.rs
@@ -343,7 +343,7 @@ pub fn translate_drop_index(
             )));
         }
     }
-    // Return an error if the index is an unique or primary key.
+    // Return an error if the index is associated with a unique or primary key constraint.
     if let Some(idx) = maybe_index {
         if idx.unique {
             return Err(crate::error::LimboError::InvalidArgument(