fix typo, change to making cleaner comparisons in spec

spec/std/http/cookie_spec.cr

@@ -156,7 +156,7 @@ module HTTP
     describe "expiration_time" do
       it "sets expiration_time to be current when max-age=0" do
         cookie = parse_set_cookie("bla=1; max-age=0")
-        (Time.now - cookie.expiration_time.not_nil! <= 1.seconds).should be_true
+        (Time.now - cookie.expiration_time.not_nil!).should be.<= 1.seconds
       end
 
       it "sets expiration_time with old date" do
@@ -166,14 +166,14 @@ module HTTP
 
       it "sets future expiration_time with max-age" do
         cookie = parse_set_cookie("bla=1; max-age=1")
-        (cookie.expiration_time.not_nil! > Time.now).should be_true
+        (cookie.expiration_time.not_nil!).should be.> Time.now
       end
 
       it "sets future expiration_time with max-age and future cookie creation time" do
         cookie = parse_set_cookie("bla=1; max-age=1")
         cookie_expiration = cookie.expiration_time(time_reference: Time.now + 20.seconds).not_nil!
-        (Time.now + 20.seconds < cookie_expiration).should be_true
-        (Time.now + 21.seconds >= cookie_expiration).should be_true
+        (Time.now + 20.seconds).should be.< cookie_expiration
+        (Time.now + 21.seconds).should be.>= cookie_expiration
       end
 
       it "sets future expiration_time with expires" do
@@ -211,8 +211,8 @@ module HTTP
       it "sets past expiration_time with max-age and future time reference" do
         cookie = parse_set_cookie("bla=1; max-age=1")
         cookie_expiration = cookie.expiration_time(time_reference: Time.now - 20.seconds).not_nil!
-        (Time.now - cookie_expiration < 20.seconds).should be_true
-        (Time.now - cookie_expiration > 18.seconds).should be_true
+        (Time.now - 20.seconds).should be.< cookie_expiration
+        (Time.now - 18.seconds).should be.> cookie_expiration
         cookie_expired = cookie.expired?(time_reference: Time.now - 20.seconds)
         cookie_expired.should be_true
       end

src/http/cookie.cr

@@ -50,7 +50,7 @@ module HTTP
     # Returns the `Time` at which this cookie will expire, or `nil` if it will not expire.
     # Uses *max-age* and *expires* values to calculate the time.
     # By default, this function uses the creation time of this cookie as the offset for max-age, if max-age is set.
-    # To use a different offset, provide a `Time` object to *time_Reference*.
+    # To use a different offset, provide a `Time` object to *time_reference*.
     def expiration_time(time_reference = @creation_time)
       if max_age = @max_age
         time_reference + max_age