diff --git a/src/pass/loop_partition.cc b/src/pass/loop_partition.cc
index b375c53322cd8..6a3f6ba31c516 100644
--- a/src/pass/loop_partition.cc
+++ b/src/pass/loop_partition.cc
@@ -207,6 +207,8 @@ class PartitionFinder : public IRVisitor {
 
  private:
   Expr InverseCond(const Expr& cond) {
+    // We expect most condition not to be of EQ or NE form.
+    // Currently we do not handle inversing EQ or NE.
     Expr inverse_cond;
     if (const LT* op = cond.as<LT>()) {
       // a < b -> a >= b