diff --git a/docs/manual/adding-packages-directory.txt b/docs/manual/adding-packages-directory.txt
index fd9460caa1..c145829fcb 100644
--- a/docs/manual/adding-packages-directory.txt
+++ b/docs/manual/adding-packages-directory.txt
@@ -232,7 +232,7 @@ use in the comment.
 
 * C library
 ** Dependency symbol: +BR2_TOOLCHAIN_USES_GLIBC+,
-   +BR2_TOOLCHAIN_USES_UCLIBC+
+   +BR2_TOOLCHAIN_USES_MUSL+, +BR2_TOOLCHAIN_USES_UCLIBC+
 ** Comment string: for the C library, a slightly different comment text
    is used: +foo needs an (e)glibc toolchain+, or `foo needs an (e)glibc
    toolchain w/ C++`