diff --git a/crates/steel-core/src/primitives/hashmaps.rs b/crates/steel-core/src/primitives/hashmaps.rs
index 0bc4136f3..0e60fa2f6 100644
--- a/crates/steel-core/src/primitives/hashmaps.rs
+++ b/crates/steel-core/src/primitives/hashmaps.rs
@@ -25,7 +25,7 @@ declare_const_ref_functions!(
 pub(crate) fn hashmap_module() -> BuiltInModule {
     let mut module = BuiltInModule::new("steel/hash".to_string());
     module
-        .register_value_with_doc("hash", HM_CONSTRUCT, HASH_DOC)
+        .register_native_fn_definition(HM_CONSTRUCT_DEFINITION)
         .register_value("%keyword-hash", SteelVal::FuncV(hm_construct_keywords))
         .register_native_fn_definition(HASH_INSERT_DEFINITION)
         .register_native_fn_definition(HASH_REF_DEFINITION)
@@ -47,21 +47,26 @@ pub(crate) fn hashmap_module() -> BuiltInModule {
     module
 }
 
-const HASH_DOC: DocTemplate<'static> = DocTemplate {
-    signature: "(hash key val ...) -> hash?",
-    params: &["key : hashable?", "val : any/c"],
-    description: r#"Creates an immutable hash table with each given `key` mapped to the following `val`; each key must have a val, so the total number of arguments must be even.
-    
-Note, the key must be hashable."#,
-    examples: &[(
-        "> (hash 'a 10 'b 20)",
-        r#"=> #<hashmap {
-        'a: 10,
-        'b: 20,
-    }>"#,
-    )],
-};
-
+/// Creates an immutable hash table with each given `key` mapped to the following `val`.
+/// Each key must have a val, so the total number of arguments must be even.
+///
+///
+/// (hash key val ...) -> hash?
+///
+/// key : hashable?
+/// val : any/c
+///
+/// Note: the keys must be hashable.
+///
+/// # Examples
+/// ```scheme
+/// > (hash 'a 10 'b 20)",
+///   r#"=> #<hashmap {
+///        'a: 10,
+///        'b: 20,
+///    }>"#,
+/// ```
+#[steel_derive::native(name = "hash", arity = "AtLeast(0)")]
 pub fn hm_construct(args: &[SteelVal]) -> Result<SteelVal> {
     let mut hm = HashMap::new();
 
diff --git a/docs/src/builtins/#%private_steel_mhash.md b/docs/src/builtins/#%private_steel_mhash.md
new file mode 100644
index 000000000..ef9f330dd
--- /dev/null
+++ b/docs/src/builtins/#%private_steel_mhash.md
@@ -0,0 +1,4 @@
+# #%private/steel/mhash
+### **mhash**
+### **mhash-ref**
+### **mhash-set!**
diff --git a/docs/src/builtins/#%private_steel_mvector.md b/docs/src/builtins/#%private_steel_mvector.md
new file mode 100644
index 000000000..9fa4e70a8
--- /dev/null
+++ b/docs/src/builtins/#%private_steel_mvector.md
@@ -0,0 +1,10 @@
+# #%private/steel/mvector
+### **make-mutable-vector**
+### **mutable-vector->list**
+### **mutable-vector-empty?**
+### **mutable-vector-from-list**
+### **mutable-vector-len**
+### **mutable-vector-pop!**
+### **mutable-vector-push!**
+### **mutable-vector-ref**
+### **mutable-vector-set!**
diff --git a/docs/src/builtins/#%private_steel_reader.md b/docs/src/builtins/#%private_steel_reader.md
new file mode 100644
index 000000000..6008ffb2c
--- /dev/null
+++ b/docs/src/builtins/#%private_steel_reader.md
@@ -0,0 +1,5 @@
+# #%private/steel/reader
+### **new-reader**
+### **reader-empty?**
+### **reader-push-string**
+### **reader-read-one**
diff --git a/docs/src/builtins/steel_base.md b/docs/src/builtins/steel_base.md
index 527622d69..32c57eebd 100644
--- a/docs/src/builtins/steel_base.md
+++ b/docs/src/builtins/steel_base.md
@@ -71,6 +71,26 @@ Returns the first element of the list l.
 > (first '(1 2)) ;; => 1
 > (first (cons 2 3)) ;; => 2
 ```
+### **hash**
+Creates an immutable hash table with each given `key` mapped to the following `val`.
+Each key must have a val, so the total number of arguments must be even.
+
+
+(hash key val ...) -> hash?
+
+key : hashable?
+val : any/c
+
+Note: the keys must be hashable.
+
+#### Examples
+```scheme
+> (hash 'a 10 'b 20)",
+r#"=> #<hashmap {
+'a: 10,
+'b: 20,
+}>"#,
+```
 ### **hash-contains?**
 Checks whether the given map contains the given key. Key must be hashable.
 
diff --git a/docs/src/builtins/steel_core/filesystem.md b/docs/src/builtins/steel_core/filesystem.md
deleted file mode 100644
index e1f73b547..000000000
--- a/docs/src/builtins/steel_core/filesystem.md
+++ /dev/null
@@ -1 +0,0 @@
-# steel/filesystem
diff --git a/docs/src/builtins/steel_core/result.md b/docs/src/builtins/steel_core/result.md
deleted file mode 100644
index 700f8590b..000000000
--- a/docs/src/builtins/steel_core/result.md
+++ /dev/null
@@ -1 +0,0 @@
-# steel/core/result
diff --git a/docs/src/builtins/steel_core/types.md b/docs/src/builtins/steel_core/types.md
deleted file mode 100644
index 7544bff37..000000000
--- a/docs/src/builtins/steel_core/types.md
+++ /dev/null
@@ -1 +0,0 @@
-# steel/core/types
diff --git a/docs/src/builtins/steel_hash.hd b/docs/src/builtins/steel_hash.hd
deleted file mode 100644
index 6a824affa..000000000
--- a/docs/src/builtins/steel_hash.hd
+++ /dev/null
@@ -1 +0,0 @@
-# steel/hash
diff --git a/docs/src/builtins/steel_hash.md b/docs/src/builtins/steel_hash.md
index c1c34b9da..9c90de365 100644
--- a/docs/src/builtins/steel_hash.md
+++ b/docs/src/builtins/steel_hash.md
@@ -1,4 +1,24 @@
 # steel/hash
+### **hash**
+Creates an immutable hash table with each given `key` mapped to the following `val`.
+Each key must have a val, so the total number of arguments must be even.
+
+
+(hash key val ...) -> hash?
+
+key : hashable?
+val : any/c
+
+Note: the keys must be hashable.
+
+#### Examples
+```scheme
+> (hash 'a 10 'b 20)",
+r#"=> #<hashmap {
+'a: 10,
+'b: 20,
+}>"#,
+```
 ### **hash-contains?**
 Checks whether the given map contains the given key. Key must be hashable.
 
diff --git a/docs/src/builtins/steel_pords.md b/docs/src/builtins/steel_pords.md
deleted file mode 100644
index 20ee7e5d8..000000000
--- a/docs/src/builtins/steel_pords.md
+++ /dev/null
@@ -1 +0,0 @@
-# steel/ports