diff --git a/CODE_OF_CONDUCT.md b/CODE_OF_CONDUCT.md
index be1966ce1e..2c17dcfe16 100644
--- a/CODE_OF_CONDUCT.md
+++ b/CODE_OF_CONDUCT.md
@@ -123,7 +123,7 @@ accordingly.
 
 ## Attribution
 
-This Code of Conduct is adapted from the [Contributor Covenant][homepage],
+This Code of Conduct is adapted from the [Contributor Covenant](https://www.contributor-covenant.org),
 version 1.4, available at
 <https://www.contributor-covenant.org/version/1/4/code-of-conduct.html>,
 and the [Rust Code of Conduct](https://www.rust-lang.org/en-US/conduct.html).
diff --git a/shared-bindings/os/__init__.c b/shared-bindings/os/__init__.c
index b2fb8ff095..e9e5f0885f 100644
--- a/shared-bindings/os/__init__.c
+++ b/shared-bindings/os/__init__.c
@@ -241,7 +241,7 @@ MP_DEFINE_CONST_FUN_OBJ_0(os_sync_obj, os_sync);
 //|     """Returns a string of *size* random bytes based on a hardware True Random
 //|     Number Generator. When not available, it will raise a NotImplementedError.
 //|
-//|     **Limitations:** Not yet available on nRF. Not available on SAMD21 due to lack of hardware.
+//|     **Limitations:** Not available on SAMD21 due to lack of hardware.
 //|     """
 //|     ...
 //|