diff --git a/annotation/.classpath b/annotation/.classpath
index fd7ad7fbda7..cfd1a843be6 100644
--- a/annotation/.classpath
+++ b/annotation/.classpath
@@ -1,18 +1,19 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <classpath>
-	<classpathentry kind="src" output="target/classes" path="src/main/java">
+	<classpathentry including="**/*.java" kind="src" output="target/classes" path="src/main/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="src" output="target/test-classes" path="src/test/java">
+	<classpathentry excluding="**/testdata/**" including="**/*.java" kind="src" output="target/test-classes" path="src/test/java">
 		<attributes>
 			<attribute name="optional" value="true"/>
 			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="test" value="true"/>
 		</attributes>
 	</classpathentry>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.6">
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-21">
 		<attributes>
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
@@ -22,5 +23,22 @@
 			<attribute name="maven.pomderived" value="true"/>
 		</attributes>
 	</classpathentry>
+	<classpathentry kind="src" path="target/generated-sources/annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" output="target/test-classes" path="target/generated-test-sources/test-annotations">
+		<attributes>
+			<attribute name="optional" value="true"/>
+			<attribute name="maven.pomderived" value="true"/>
+			<attribute name="ignore_optional_problems" value="true"/>
+			<attribute name="m2e-apt" value="true"/>
+			<attribute name="test" value="true"/>
+		</attributes>
+	</classpathentry>
 	<classpathentry kind="output" path="target/classes"/>
 </classpath>
diff --git a/docs/bugpattern/EqualsNaN.md b/docs/bugpattern/EqualsNaN.md
index b375262d3ff..174482e4cd2 100644
--- a/docs/bugpattern/EqualsNaN.md
+++ b/docs/bugpattern/EqualsNaN.md
@@ -1,2 +1,2 @@
-As per JLS 15.21.1, == NaN comparisons always return false, even NaN == NaN.
-Instead, use the isNaN methods to check for NaN.
+As per the Java Language Specification, == comparisions with NaN always return false, including NaN == NaN.
+Instead, use the isNaN methods to test for NaN values.
\ No newline at end of file