diff --git a/docs/patches/README.md b/docs/patches/README.md
index 38894e63a9..1b662f24c3 100644
--- a/docs/patches/README.md
+++ b/docs/patches/README.md
@@ -511,7 +511,7 @@ Index:
     Extends the "reboot" page of FRITZ!OS to select system version and branding.
 
   * **<u>PATCH_MODFS_BOOT_MANAGER__TESTTAG: Use freetz-ng-test tag - DEVELOPER</u><a id='patch-modfs-boot-manager--testtag'></a>**<br>
-    Uses the tag "freetz-ng-test" for yourfritz-host, -juis_check and -bootmanager.
+    Uses the tag "freetz-ng-test" for yf-bootmanager. Tools have no REBUILD_SUBOPTS, so run after this was changed: "make yf-bootmanager-host-recompile"
 
   * **[PATCH_MULTIPLE_PRINTERS: Add support for multiple printers](PATCH_MULTIPLE_PRINTERS.md)<a id='patch-multiple-printers'></a>**<br>
     Use this patch if you want to use more than one printer.