Apply suggestions from code review

Co-authored-by: Roelof Groenewald <[email protected]>

Source/Particles/Collision/BackgroundMCC/BackgroundMCCCollision.cpp

@@ -234,10 +234,10 @@ BackgroundMCCCollision::doCollisions (amrex::Real cur_time, amrex::Real dt, Mult
         // dt has to be small enough that a linear expansion of the collision
         // probability is sufficiently accurately, otherwise the MCC results
         // will be very heavily affected by small changes in the timestep
-        if (coll_n < 0.1_prt) {
+        if (coll_n > 0.1_prt) {
             ablastr::warn_manager::WMRecordWarning("BackgroundMCC Collisions",
                      "dt is too large to ensure accurate MCC results , coll_n: " +
-                      std::to_string(coll_n) + " is < 0.1 and collision probability is = " +
+                      std::to_string(coll_n) + " is > 0.1 and collision probability is = " +
                       std::to_string(m_total_collision_prob) + "\n");
         }
 
@@ -249,10 +249,10 @@ BackgroundMCCCollision::doCollisions (amrex::Real cur_time, amrex::Real dt, Mult
             auto coll_n_ioniz = m_nu_max_ioniz * dt;
             m_total_collision_prob_ioniz = 1.0_prt - std::exp(-coll_n_ioniz);
 
-            if (coll_n_ioniz < 0.1_prt) {
+            if (coll_n_ioniz > 0.1_prt) {
                 ablastr::warn_manager::WMRecordWarning("BackgroundMCC Collisions",
                          "dt is too large to ensure accurate MCC ionization , coll_n_ionization: " +
-                          std::to_string(coll_n_ioniz) + " is < 0.1 and ionization probability is = " +
+                          std::to_string(coll_n_ioniz) + " is > 0.1 and ionization probability is = " +
                           std::to_string(m_total_collision_prob_ioniz) + "\n");
             }