diff --git a/spec/negotiator_spec.cr b/spec/negotiator_spec.cr
index e03e01d..f267d92 100644
--- a/spec/negotiator_spec.cr
+++ b/spec/negotiator_spec.cr
@@ -86,7 +86,7 @@ struct NegotiatorTest < NegotiatorTestCase
       {php_pear_header, {"audio/midi"}, {"audio/midi", nil}},
       {"text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8", {"application/rss+xml"}, {"application/rss+xml", nil}},
 
-      # Case sensitiviy
+      # Case sensitivity
       {"text/* ; q=0.3, TEXT/html ;Q=0.7, text/html ; level=1, texT/Html ;leVel = 2 ;q=0.4, */* ; q=0.5", {"text/html; level=2"}, {"text/html", {"level" => "2"}}},
       {"text/* ; q=0.3, text/html;Q=0.7, text/html ;level=1, text/html; level=2;q=0.4, */*;q=0.5", {"text/HTML; level=3"}, {"text/html", {"level" => "3"}}},
 
diff --git a/src/negotiator.cr b/src/negotiator.cr
index 18b3042..5ebc3f8 100644
--- a/src/negotiator.cr
+++ b/src/negotiator.cr
@@ -12,7 +12,7 @@ class Athena::Negotiation::Negotiator < Athena::Negotiation::AbstractNegotiator(
     accept_sub_type = accept.sub_type
     priority_sub_type = priority.sub_type
 
-    intercection = accept.parameters.each_with_object({} of String => String) do |(k, v), params|
+    intersection = accept.parameters.each_with_object({} of String => String) do |(k, v), params|
       priority.parameters.tap do |pp|
         params[k] = v if pp.has_key?(k) && pp[k] == v
       end
@@ -24,9 +24,9 @@ class Athena::Negotiation::Negotiator < Athena::Negotiation::AbstractNegotiator(
     if (
          (accept_type == "*" || type_equals) &&
          (accept_sub_type == "*" || sub_type_equals) &&
-         intercection.size == accept.parameters.size
+         intersection.size == accept.parameters.size
        )
-      score = 100 * (type_equals ? 1 : 0) + 10 * (sub_type_equals ? 1 : 0) + intercection.size
+      score = 100 * (type_equals ? 1 : 0) + 10 * (sub_type_equals ? 1 : 0) + intersection.size
 
       return ANG::AcceptMatch.new accept.quality * priority.quality, score, index
     end
@@ -49,9 +49,9 @@ class Athena::Negotiation::Negotiator < Athena::Negotiation::AbstractNegotiator(
     if (
          (accept_sub_type == "*" || priority_sub_type == "*" || sub_type_equals) &&
          (accept_plus == "*" || priority_plus == '*' || plus_equals) &&
-         intercection.size == accept.parameters.size
+         intersection.size == accept.parameters.size
        )
-      score = 100 * (type_equals ? 1 : 0) + 10 * (sub_type_equals ? 1 : 0) + (plus_equals ? 1 : 0) + intercection.size
+      score = 100 * (type_equals ? 1 : 0) + 10 * (sub_type_equals ? 1 : 0) + (plus_equals ? 1 : 0) + intersection.size
       return ANG::AcceptMatch.new accept.quality * priority.quality, score, index
     end