diff --git a/README.md b/README.md
index 0b3c7fb..e3b0e30 100644
--- a/README.md
+++ b/README.md
@@ -451,7 +451,7 @@ query {
 </tr>
 <tr>
 <td><pre lang="graphql">
-scalar URL
+scalar Url
   @specifiedBy(url: 
     "https://www.w3.org/Addressing/URL/url-spec.txt"
   )
diff --git a/src/main/java/graphql/scalars/color/hex/HexColorCodeScalar.java b/src/main/java/graphql/scalars/color/hex/HexColorCodeScalar.java
index 0cdc721..8a44648 100644
--- a/src/main/java/graphql/scalars/color/hex/HexColorCodeScalar.java
+++ b/src/main/java/graphql/scalars/color/hex/HexColorCodeScalar.java
@@ -12,7 +12,8 @@
 /**
  * Access this via {@link graphql.scalars.ExtendedScalars#HexColorCode}
  * See the <a href="https://en.wikipedia.org/wiki/Web_colors">Web colors</a> for more details.
- * @implNote Supports the following formats: #RGB, #RGBA, #RRGGBB, #RRGGBBAA. Need to be prefixed with '#'
+ * <p>
+ * Supports the following formats: #RGB, #RGBA, #RRGGBB, #RRGGBBAA. Need to be prefixed with '#'
  */
 public class HexColorCodeScalar {
 
diff --git a/src/test/groovy/graphql/scalars/color/hex/HexColorCodeScalarTest.groovy b/src/test/groovy/graphql/scalars/color/hex/HexColorCodeScalarTest.groovy
index 97c6e18..6af9f60 100644
--- a/src/test/groovy/graphql/scalars/color/hex/HexColorCodeScalarTest.groovy
+++ b/src/test/groovy/graphql/scalars/color/hex/HexColorCodeScalarTest.groovy
@@ -19,11 +19,11 @@ class HexColorCodeScalarTest extends Specification {
         then:
         result.equals(expectedValue)
         where:
-        input                      | expectedValue
-        "#ff0000"                  | mkColor(0xff, 0, 0)
-        "#123"                     | mkColor(0x11, 0x22, 0x33)
-        "#11223344"                | mkColor(0x11, 0x22, 0x33, 0x44)
-        "#1234"                    | mkColor(0x11, 0x22, 0x33, 0x44)
+        input       | expectedValue
+        "#ff0000"   | mkColor(0xff, 0, 0)
+        "#123"      | mkColor(0x11, 0x22, 0x33)
+        "#11223344" | mkColor(0x11, 0x22, 0x33, 0x44)
+        "#1234"     | mkColor(0x11, 0x22, 0x33, 0x44)
     }
 
     @Unroll
@@ -47,12 +47,12 @@ class HexColorCodeScalarTest extends Specification {
         then:
         result == expectedValue
         where:
-        input              | expectedValue
-        "#ff0000"          | "#ff0000"
-        "#123"             | "#112233"
-        "#11223344"        | "#11223344"
-        "#1234"            | "#11223344"
-        mkColor(0x21, 0x23, 0x33) | "#212333"
+        input                           | expectedValue
+        "#ff0000"                       | "#ff0000"
+        "#123"                          | "#112233"
+        "#11223344"                     | "#11223344"
+        "#1234"                         | "#11223344"
+        mkColor(0x21, 0x23, 0x33)       | "#212333"
         mkColor(0x21, 0x23, 0x33, 0x44) | "#21233344"
     }
 
@@ -63,30 +63,30 @@ class HexColorCodeScalarTest extends Specification {
         then:
         result.isEqualTo(expectedValue)
         where:
-        input              | expectedValue
-        "#ff0000"          | new StringValue("#ff0000")
-        "#123"             | new StringValue("#112233")
-        "#11223344"        | new StringValue("#11223344")
-        "#1234"            | new StringValue("#11223344")
-        mkColor(0x21, 0x23, 0x33) | new StringValue("#212333")
+        input                           | expectedValue
+        "#ff0000"                       | new StringValue("#ff0000")
+        "#123"                          | new StringValue("#112233")
+        "#11223344"                     | new StringValue("#11223344")
+        "#1234"                         | new StringValue("#11223344")
+        mkColor(0x21, 0x23, 0x33)       | new StringValue("#212333")
         mkColor(0x21, 0x23, 0x33, 0x44) | new StringValue("#21233344")
     }
 
     @Unroll
-    def "parseValue throws exception for invalid input #value"() {
+    def "parseValue throws exception for invalid input #input"() {
         when:
         def result = coercing.parseValue(input)
         then:
         thrown(CoercingParseValueException)
         where:
-        input              | _
-        "ff000"            | _
-        ""                 | _
-        "not a hex code"   | _
-        "42.3"             | _
-        new Double(42.3)   | _
-        new Float(42.3)    | _
-        new Object()       | _
+        input                | _
+        "ff000"              | _
+        ""                   | _
+        "not a hex code"     | _
+        "42.3"               | _
+        Double.valueOf(42.3) | _
+        Float.valueOf(42.3)  | _
+        new Object()         | _
     }
 
 }
\ No newline at end of file