diff --git a/README.md b/README.md
index 28f44cc..9d6e4ed 100644
--- a/README.md
+++ b/README.md
@@ -165,7 +165,7 @@ simple example:
 let response = await fetch("https://teavm.org/playground/compile-classlib-teavm.bin");
 compiler.setSdk(new Int8Array(await response.arrayBuffer()));
 
-response = await fetch("https://teavm.org/playground/compile-classlib-teavm.bin");
+response = await fetch("https://teavm.org/playground/runtime-classlib-teavm.bin");
 compiler.setTeaVMClasslib(new Int8Array(await response.arrayBuffer()));
 
 compiler.onDiagnostic(diagnostic => {
@@ -286,4 +286,4 @@ See: https://openjdk.org/legal/gplv2+ce.html
 
 No code from OpenJDK is modified or included in source form in this project.
 During the build process, OpenJDK source code may be downloaded and compiled into bytecode
-for inclusion in the final WebAssembly output, as permitted by the Classpath Exception.
\ No newline at end of file
+for inclusion in the final WebAssembly output, as permitted by the Classpath Exception.