diff --git a/docs/concepts/variables.md b/docs/concepts/variables.md
index 9a40b12..9c410b4 100644
--- a/docs/concepts/variables.md
+++ b/docs/concepts/variables.md
@@ -4,6 +4,8 @@ If you are familiar with some other programming language, the way Sabre handles
 
 To declare a variable, the `let` keyword is used. The type of the variable is infered, but can be specified explicitly.
 
+> **Note**: Type inference currently only works when using the node-backend. For most other backends, the types need to be specified, until proper type inference is implemented.
+
 ```
 // variables.sb
 fn main() {
diff --git a/docs/developers/backends.md b/docs/developers/backends.md
index e571fd7..4a16fb3 100644
--- a/docs/developers/backends.md
+++ b/docs/developers/backends.md
@@ -12,7 +12,7 @@ default = ["backend_c"]
 
 ## Available Backends
 
-| Target Language | Identifier     | Stability notice      |
-| :-------------- | :------------- | :-------------------- |
-| Node.js         | `backend_node` | mostly stable         |
-| C               | `backend_c`    | in active development |
+| Target Language | Identifier     | Stability notice |
+| :-------------- | :------------- | :--------------- |
+| Node.js         | `backend_node` | mostly stable    |
+| C               | `backend_c`    | unstable         |