powerpc: Document the existance of powerpc

diff --git a/src/doc/reference.md b/src/doc/reference.md
index 2486466c8696d464d36cddefcd3a16db2b0d9950..91d4d582b25516327823fe64d641e40794573b44 100644 (file)
--- a/src/doc/reference.md
+++ b/src/doc/reference.md
@@ -2163,7 +2163,7 @@ arbitrarily complex configurations through nesting.
 The following configurations must be defined by the implementation:
 
 * `target_arch = "..."`. Target CPU architecture, such as `"x86"`, `"x86_64"`
-  `"mips"`, `"arm"`, or `"aarch64"`.
+  `"mips"`, `"powerpc"`, `"arm"`, or `"aarch64"`.
 * `target_endian = "..."`. Endianness of the target CPU, either `"little"` or
   `"big"`.
 * `target_family = "..."`. Operating system family of the target, e. g.