diff --git a/src/conditional-compilation.md b/src/conditional-compilation.md
index f83dbfe20..f52c90df5 100644
--- a/src/conditional-compilation.md
+++ b/src/conditional-compilation.md
@@ -142,6 +142,7 @@ Example values:
 * `"unix"`
 * `"windows"`
 * `"wasm"`
+* Both `"unix"` and `"wasm"`
 
 ### `unix` and `windows`