diff --git a/columnar/src/column_values/mod.rs b/columnar/src/column_values/mod.rs
index 42cf796b0..f2e1b036a 100644
--- a/columnar/src/column_values/mod.rs
+++ b/columnar/src/column_values/mod.rs
@@ -2,7 +2,7 @@
 
 //! # `fastfield_codecs`
 //!
-//! - Columnar storage of data for tantivy [`Column`].
+//! - Columnar storage of data for tantivy [`crate::Column`].
 //! - Encode data in different codecs.
 //! - Monotonically map values to u64/u128
 
diff --git a/columnar/src/columnar/merge/merge_mapping.rs b/columnar/src/columnar/merge/merge_mapping.rs
index e4b5be628..842886182 100644
--- a/columnar/src/columnar/merge/merge_mapping.rs
+++ b/columnar/src/columnar/merge/merge_mapping.rs
@@ -52,8 +52,8 @@ pub enum MergeRowOrder {
     /// Columnar tables are simply stacked one above the other.
     /// If the i-th columnar_readers has n_rows_i rows, then
     /// in the resulting columnar,
-    /// rows [r0..n_row_0) contains the row of columnar_readers[0], in ordder
-    /// rows [n_row_0..n_row_0 + n_row_1 contains the row of columnar_readers[1], in order.
+    /// rows [r0..n_row_0) contains the row of `columnar_readers[0]`, in ordder
+    /// rows [n_row_0..n_row_0 + n_row_1 contains the row of `columnar_readers[1]`, in order.
     /// ..
     /// No documents is deleted.
     Stack(StackMergeOrder),
diff --git a/src/aggregation/bucket/mod.rs b/src/aggregation/bucket/mod.rs
index 711b6c2f3..0c1b90dbc 100644
--- a/src/aggregation/bucket/mod.rs
+++ b/src/aggregation/bucket/mod.rs
@@ -15,6 +15,12 @@
 //! Results of final buckets are [`BucketResult`](super::agg_result::BucketResult).
 //! Results of intermediate buckets are
 //! [`IntermediateBucketResult`](super::intermediate_agg_result::IntermediateBucketResult)
+//!
+//! ## Supported Bucket Aggregations
+//! - [Histogram](HistogramAggregation)
+//! - [DateHistogram](DateHistogramAggregationReq)
+//! - [Range](RangeAggregation)
+//! - [Terms](TermsAggregation)
 
 mod histogram;
 mod range;
diff --git a/src/aggregation/metric/mod.rs b/src/aggregation/metric/mod.rs
index 50ff0389f..c894dead5 100644
--- a/src/aggregation/metric/mod.rs
+++ b/src/aggregation/metric/mod.rs
@@ -6,6 +6,15 @@
 //! Some aggregations output a single numeric metric (e.g. Average) and are called
 //! single-value numeric metrics aggregation, others generate multiple metrics (e.g. Stats) and are
 //! called multi-value numeric metrics aggregation.
+//!
+//! ## Supported Metric Aggregations
+//! - [Average](AverageAggregation)
+//! - [Stats](StatsAggregation)
+//! - [Min](MinAggregation)
+//! - [Max](MaxAggregation)
+//! - [Sum](SumAggregation)
+//! - [Count](CountAggregation)
+//! - [Percentiles](PercentilesAggregationReq)
 
 mod average;
 mod count;
diff --git a/src/core/json_utils.rs b/src/core/json_utils.rs
index a02d86293..25dff1dde 100644
--- a/src/core/json_utils.rs
+++ b/src/core/json_utils.rs
@@ -259,7 +259,7 @@ pub(crate) fn set_string_and_get_terms(
 
 /// Writes a value of a JSON field to a `Term`.
 /// The Term format is as follows:
-/// [JSON_TYPE][JSON_PATH][JSON_END_OF_PATH][VALUE_BYTES]
+/// `[JSON_TYPE][JSON_PATH][JSON_END_OF_PATH][VALUE_BYTES]`
 pub struct JsonTermWriter<'a> {
     term_buffer: &'a mut Term,
     path_stack: Vec<usize>,