diff --git a/src/ast/stmt.rs b/src/ast/stmt.rs
index c2cad9da..ae9b064a 100644
--- a/src/ast/stmt.rs
+++ b/src/ast/stmt.rs
@@ -260,7 +260,7 @@ impl RangeCase {
             Self::InclusiveInt(..) => true,
         }
     }
-    /// Get the index to the [`ConditionalStmtBlock`].
+    /// Get the index to the [`ConditionalExpr`].
     #[inline(always)]
     #[must_use]
     pub fn index(&self) -> usize {
@@ -268,7 +268,7 @@ impl RangeCase {
             Self::ExclusiveInt(.., n) | Self::InclusiveInt(.., n) => *n,
         }
     }
-    /// Set the index to the [`ConditionalStmtBlock`].
+    /// Set the index to the [`ConditionalExpr`].
     #[inline(always)]
     pub fn set_index(&mut self, index: usize) {
         match self {
diff --git a/src/lib.rs b/src/lib.rs
index e476fb15..7b8c9cff 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -272,8 +272,8 @@ pub use tokenizer::{get_next_token, parse_string_literal};
 
 #[cfg(feature = "internals")]
 pub use tokenizer::{
-    InputStream, MultiInputsStream, Span, Token, TokenIterator, TokenizeState, TokenizerControl,
-    TokenizerControlBlock,
+    is_valid_function_name, is_valid_identifier, InputStream, MultiInputsStream, Span, Token,
+    TokenIterator, TokenizeState, TokenizerControl, TokenizerControlBlock,
 };
 
 #[cfg(feature = "internals")]
diff --git a/src/tokenizer.rs b/src/tokenizer.rs
index 5b827c38..5cccd741 100644
--- a/src/tokenizer.rs
+++ b/src/tokenizer.rs
@@ -2179,7 +2179,7 @@ fn get_identifier(
     Some((Token::Identifier(identifier.into()), start_pos))
 }
 
-/// Is this keyword allowed as a function?
+/// Is a keyword allowed as a function?
 #[inline]
 #[must_use]
 pub fn is_keyword_function(name: &str) -> bool {
@@ -2194,7 +2194,8 @@ pub fn is_keyword_function(name: &str) -> bool {
     }
 }
 
-/// Is a text string a valid identifier?
+/// _(internals)_ Is a text string a valid identifier?
+/// Exported under the `internals` feature only.
 #[must_use]
 pub fn is_valid_identifier(name: impl Iterator<Item = char>) -> bool {
     let mut first_alphabetic = false;
@@ -2212,7 +2213,8 @@ pub fn is_valid_identifier(name: impl Iterator<Item = char>) -> bool {
     first_alphabetic
 }
 
-/// Is a text string a valid script-defined function name?
+/// _(internals)_ Is a text string a valid script-defined function name?
+/// Exported under the `internals` feature only.
 #[inline(always)]
 #[must_use]
 pub fn is_valid_function_name(name: &str) -> bool {