diff --git a/lib/osut/utils.rb b/lib/osut/utils.rb
index 4857661..cd6d6d0 100644
--- a/lib/osut/utils.rb
+++ b/lib/osut/utils.rb
@@ -204,8 +204,8 @@ module OSut
   # returned if a valid surface tilt [0, PI] is provided. Otherwise, generic
   # tilt-independent air film resistances are returned instead.
   #
-  # @param [:to_sym] surface type, e.g. :roof, :wall, :partition, :ceiling
-  # @param [Numeric] surface tilt (in rad), optional
+  # @param type [:to_sym] surface type, e.g. :roof, :wall, :partition, :ceiling
+  # @param tilt [Numeric] surface tilt (in rad), optional
   #
   # @return [Float] surface air film resistance(s)
   # @return [0.0] if invalid input (see logs)
@@ -587,7 +587,7 @@ def resetUo(lc = nil, film = nil, index = nil, uo = nil, uniq = false)
       mt.setName(id)
 
       unless mt.setThermalResistance(r)
-        return invalid("Failed #{id}: RSi#{r.round(2)}", mth)
+        return invalid("Failed #{id}: RSi#{r.round(2)}", mth, 0, DBG, 0.0)
       end
 
       lc.setLayer(index, mt)
@@ -621,11 +621,11 @@ def resetUo(lc = nil, film = nil, index = nil, uo = nil, uniq = false)
       mt.setName(id)
 
       unless mt.setThermalConductivity(k)
-        return invalid("Failed #{id}: K#{k.round(3)}", mth)
+        return invalid("Failed #{id}: K#{k.round(3)}", mth, 0, DBG, 0.0)
       end
 
       unless mt.setThickness(d)
-        return invalid("Failed #{id}: #{(d*1000).to_i}mm", mth)
+        return invalid("Failed #{id}: #{(d*1000).to_i}mm", mth, 0, DBG, 0.0)
       end
 
       lc.setLayer(index, mt)
diff --git a/lib/osut/version.rb b/lib/osut/version.rb
index e45b093..18c8c8c 100644
--- a/lib/osut/version.rb
+++ b/lib/osut/version.rb
@@ -29,5 +29,5 @@
 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
 module OSut
-  VERSION = "0.9.0".freeze
+  VERSION = "0.9.1".freeze
 end
diff --git a/spec/osut_tests_spec.rb b/spec/osut_tests_spec.rb
index f18887d..8cdf5ac 100644
--- a/spec/osut_tests_spec.rb
+++ b/spec/osut_tests_spec.rb
@@ -5399,7 +5399,7 @@ module M
       deg = i * 45
       rad = deg * Math::PI/180
       rsi = OpenStudio::Model::PlanarSurface.stillAirFilmResistance(rad)
-      per = "%.2f" % (100 * (r - rsi) / r)
+      # per = "%.2f" % (100 * (r - rsi) / r)
       # puts "#{i}: #{deg}: #{r.round(5)}: #{rsi.round(5)} #{per} %"
       #
       # 0:   0: 0.10743: 0.10604  1.29 % horizontal, facing up
@@ -5575,7 +5575,7 @@ module M
       expect(tilt.round(4)).to eq((Math::PI / 2).round(4))
 
       r1 = OpenStudio::Model::PlanarSurface.stillAirFilmResistance(tilt) * 2
-      r2 = surface.filmResistance
+      r2 = adjacent.filmResistance
       r3 = mod1.filmResistances(:partition)
       r4 = mod1.filmResistances(:partition, tilt)
       expect(r1.round(3)).to eq(0.239)