diff --git a/README.md b/README.md
index c3333da1..7ba5f849 100644
--- a/README.md
+++ b/README.md
@@ -139,8 +139,10 @@ Tested:
     (Linux MUSL)
   * [`aarch64-unknown-linux-gnu`](https://doc.rust-lang.org/libc/aarch64-unknown-linux-gnu/libc/)
     (Linux)
-  * [`aarch64-unknown-linux-musl`](https://doc.rust-lang.org/libc/aarch64-unknown-linux-musl/libc/)
+  * `aarch64-unknown-linux-musl`
     (Linux MUSL)
+  * [`sparc64-unknown-linux-gnu`](https://doc.rust-lang.org/libc/sparc64-unknown-linux-gnu/libc/)
+    (Linux)
   * [`mips-unknown-linux-gnu`](https://doc.rust-lang.org/libc/mips-unknown-linux-gnu/libc/)
   * [`arm-unknown-linux-gnueabihf`](https://doc.rust-lang.org/libc/arm-unknown-linux-gnueabihf/libc/)
   * [`arm-linux-androideabi`](https://doc.rust-lang.org/libc/arm-linux-androideabi/libc/)
@@ -157,3 +159,4 @@ The following may be supported, but are not guaranteed to always work:
   * `i686-unknown-haiku`
   * `x86_64-unknown-haiku`
   * [`x86_64-unknown-netbsd`](https://doc.rust-lang.org/libc/x86_64-unknown-netbsd/libc/)
+  * [`x86_64-sun-solaris`](https://doc.rust-lang.org/libc/x86_64-sun-solaris/libc/)
diff --git a/src/lib.rs b/src/lib.rs
index b58a873e..e17bc50f 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -72,13 +72,16 @@
 #![cfg_attr(target_os = "dragonfly", doc(
     html_root_url = "https://doc.rust-lang.org/libc/x86_64-unknown-dragonfly"
 ))]
+#![cfg_attr(target_os = "solaris", doc(
+    html_root_url = "https://doc.rust-lang.org/libc/x86_64-sun-solaris"
+))]
 #![cfg_attr(all(target_os = "emscripten", target_arch = "asmjs"), doc(
     html_root_url = "https://doc.rust-lang.org/libc/asmjs-unknown-emscripten"
 ))]
 #![cfg_attr(all(target_os = "emscripten", target_arch = "wasm32"), doc(
     html_root_url = "https://doc.rust-lang.org/libc/wasm32-unknown-emscripten"
 ))]
-#![cfg_attr(all(target_os = "linux", target_arch = "xparc64"), doc(
+#![cfg_attr(all(target_os = "linux", target_arch = "sparc64"), doc(
     html_root_url = "https://doc.rust-lang.org/libc/sparc64-unknown-linux-gnu"
 ))]