diff --git a/.run/spice build.run.xml b/.run/spice build.run.xml
index d2a017fdc..018d2e961 100644
--- a/.run/spice build.run.xml	
+++ b/.run/spice build.run.xml	
@@ -1,5 +1,5 @@
 <component name="ProjectRunConfigurationManager">
-  <configuration default="false" name="spice build" type="CMakeRunConfiguration" factoryName="Application" PROGRAM_PARAMS="build -O0 -d -ir -g ../../media/test-project/test.spice" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="Spice" TARGET_NAME="spice" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="Spice" RUN_TARGET_NAME="spice">
+  <configuration default="false" name="spice build" type="CMakeRunConfiguration" factoryName="Application" PROGRAM_PARAMS="build -O3 --no-entry --target-arch=wasm32 -ir ../../media/test-project/test.spice" REDIRECT_INPUT="false" ELEVATE="false" USE_EXTERNAL_CONSOLE="false" EMULATE_TERMINAL="false" PASS_PARENT_ENVS_2="true" PROJECT_NAME="Spice" TARGET_NAME="spice" CONFIG_NAME="Debug" RUN_TARGET_PROJECT_NAME="Spice" RUN_TARGET_NAME="spice">
     <envs>
       <env name="LLVM_ADDITIONAL_FLAGS" value="-lole32 -lws2_32" />
       <env name="LLVM_BUILD_INCLUDE_DIR" value="$PROJECT_DIR$/../llvm-project-latest/build/include" />
diff --git a/docs/docs/how-to/web-assembly.md b/docs/docs/how-to/web-assembly.md
index ec8111f67..09a0d8f34 100644
--- a/docs/docs/how-to/web-assembly.md
+++ b/docs/docs/how-to/web-assembly.md
@@ -1,5 +1,5 @@
 ---
-title: Compile to WebAssembly
+title: Compile for WebAssembly
 ---
 
 Due to the fact, that Spice uses LLVM as compiler backbone, it is capable of cross-compiling to many different target
@@ -17,14 +17,11 @@ package. On Windows you can download MinGW64 with Clang from e.g. [winlibs.com](
 For the sake of example, we write a recursive fibonacci algorithm in Spice, which we can make accessible to JavaScript.
 
 ```spice
+#[core.compiler.mangle = false]
 public f<int> fibo(int n) {
     if n <= 1 { return n; }
     return fibo(n - 1) + fibo(n - 2);
 }
-
-f<int> main() {
-    printf("%d", fibo(45));
-}
 ```
 
 You can test, if the code works by compiling and running it, using the following command: <br>
diff --git a/media/test-project/test.spice b/media/test-project/test.spice
index 877fedc09..12351122d 100644
--- a/media/test-project/test.spice
+++ b/media/test-project/test.spice
@@ -1,6 +1,5 @@
-import "std/os/syscall";
-
-f<int> main() {
-    string str = "Hello World!\n";
-    syscallWrite(FileDescriptor::STDOUT, str);
+#[core.compiler.mangle = false]
+public f<int> fibo(int n) {
+    if n <= 1 { return n; }
+    return fibo(n - 1) + fibo(n - 2);
 }