diff --git a/README.md b/README.md
index 6c2a82c..b464e4c 100644
--- a/README.md
+++ b/README.md
@@ -131,7 +131,15 @@ cd libfxcg/libc
 replace all the `sh3eb-` with `sh-elf` 
 ```bash
 make
-cp the lib files to gcc dir
+cp lib/* ../sysroot/lib/
+cp -r include/* ../sysroot/lib/gcc/sh3eb-elf/15.2.0/include/
+```
+
+Go back to build-gcc and run
+
+```bash
+make -C gcc cross-gnattools
+make install-strip
 ```
 
 Now we install the actual libc