diff --git a/tests/JwtTokenTest.php b/tests/JwtTokenTest.php
index 68742f5..9ff4f37 100644
--- a/tests/JwtTokenTest.php
+++ b/tests/JwtTokenTest.php
@@ -8,7 +8,10 @@ class JWTTokenTest extends \PHPUnit\Framework\TestCase
 {
 
     /**
-     * @covers 
+     * @covers NoccyLabs\SimpleJWT\JWTToken
+     * @covers NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      */
     public function testGeneratingTokens()
     {
@@ -24,7 +27,10 @@ class JWTTokenTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     * @covers 
+     * @covers NoccyLabs\SimpleJWT\JWTToken
+     * @covers NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      */
     public function testParsingTokens()
     {
diff --git a/tests/JwtUtilTest.php b/tests/JwtUtilTest.php
index aa44618..f87d82a 100644
--- a/tests/JwtUtilTest.php
+++ b/tests/JwtUtilTest.php
@@ -7,7 +7,8 @@ class JWTUtilTest extends \PHPUnit\Framework\TestCase
 {
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\JWTUtil::encode
+     * @covers \NoccyLabs\SimpleJWT\JWTUtil::decode
      */
     public function testTheEncodingShouldBeSymmetric()
     {
diff --git a/tests/Key/JwtDerivedKeyTest.php b/tests/Key/JwtDerivedKeyTest.php
index d69b0d4..dfda8ed 100644
--- a/tests/Key/JwtDerivedKeyTest.php
+++ b/tests/Key/JwtDerivedKeyTest.php
@@ -6,7 +6,7 @@ namespace NoccyLabs\SimpleJWT\Key;
 class JWTDerivedKeyTest extends \PHPUnit\Framework\TestCase
 {
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTDerivedKey
      */
     public function testTheDerivedKeysShouldBeConsistent()
     {
@@ -24,7 +24,7 @@ class JWTDerivedKeyTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTDerivedKey
      */
     public function testTheDerivedKeysShouldBeUnique()
     {
diff --git a/tests/Key/JwtPlaintextKeyTest.php b/tests/Key/JwtPlaintextKeyTest.php
index 7c44d29..645f3fe 100644
--- a/tests/Key/JwtPlaintextKeyTest.php
+++ b/tests/Key/JwtPlaintextKeyTest.php
@@ -6,7 +6,7 @@ namespace NoccyLabs\SimpleJWT\Key;
 class JWTPlaintextKeyTest extends \PHPUnit\Framework\TestCase
 {
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
      */
     public function testThePlaintextKeyShouldBeReturned()
     {
diff --git a/tests/Validator/JwtValidatorTest.php b/tests/Validator/JwtValidatorTest.php
index ca0d002..bdb7a2e 100644
--- a/tests/Validator/JwtValidatorTest.php
+++ b/tests/Validator/JwtValidatorTest.php
@@ -9,7 +9,11 @@ class JWTValidatorTest extends \PHPUnit\Framework\TestCase
 {
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers \NoccyLabs\SimpleJWT\JWTToken
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTValidator
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      */
     public function testValidTokensShouldPassWithDefaultConfiguration()
     {
@@ -22,7 +26,12 @@ class JWTValidatorTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTValidator
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers \NoccyLabs\SimpleJWT\JWTToken
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTTokenException
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      */
     public function testExpiredTokensShouldFailWithException()
     {
@@ -38,7 +47,12 @@ class JWTValidatorTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTValidator
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers \NoccyLabs\SimpleJWT\JWTToken
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTTokenException
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      * @dataProvider tokenGenerator
      */
     public function testPinningIssuer($issuer,$audience,$key,$token)
@@ -59,7 +73,12 @@ class JWTValidatorTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTValidator
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers \NoccyLabs\SimpleJWT\JWTToken
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTTokenException
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      * @dataProvider tokenGenerator
      */
     public function testPinningAudience($issuer,$audience,$key,$token)
@@ -80,7 +99,12 @@ class JWTValidatorTest extends \PHPUnit\Framework\TestCase
     }
 
     /**
-     * @covers 
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTValidator
+     * @covers \NoccyLabs\SimpleJWT\Key\JWTPlaintextKey
+     * @covers \NoccyLabs\SimpleJWT\JWTToken
+     * @covers \NoccyLabs\SimpleJWT\Validator\JWTTokenException
+     * @covers NoccyLabs\SimpleJWT\Collection\PropertyBag
+     * @covers NoccyLabs\SimpleJWT\JWTUtil
      * @dataProvider tokenGenerator
      */
     public function testPinningBoth($issuer,$audience,$key,$token)