diff --git a/json_object.h b/json_object.h
index 2cd9490..f606aab 100644
--- a/json_object.h
+++ b/json_object.h
@@ -265,7 +265,7 @@ JSON_EXPORT void *json_object_get_userdata(json_object *jso);
  *
  * Note: Objects created by parsing strings may have custom serializers set
  * which expect the userdata to contain specific data (due to use of
- * json_object_new_double_s()). In this case, json_object_set_serialiser() with
+ * json_object_new_double_s()). In this case, json_object_set_serializer() with
  * NULL as to_string_func should be used instead to set the userdata and reset
  * the serializer to its default value.
  *
diff --git a/json_object_iterator.h b/json_object_iterator.h
index d05f572..b5a2503 100644
--- a/json_object_iterator.h
+++ b/json_object_iterator.h
@@ -84,7 +84,8 @@ JSON_EXPORT struct json_object_iterator json_object_iter_init_default(void);
  *              Modifications include adding or removing any pair, even if
  *              set of keys appears unchanged after the modification.
  *              Modifying *values* is allowed, including replacing a value
- *              by calling json_object_add(), provided the key already exists.
+ *              by calling json_object_object_add(), provided the key already
+ *              exists.
  *              Attempting to use an invalidated iterator in any way, other
  *              than comparing it to the end iterator, is *undefined behavior*.
  *              Passing such an iterator to any of the the json_object_iterator
diff --git a/linkhash.h b/linkhash.h
index 48fb7c0..6339b5f 100644
--- a/linkhash.h
+++ b/linkhash.h
@@ -295,7 +295,7 @@ extern json_bool lh_table_lookup_ex(struct lh_table *t, const void *k, void **v)
  * Delete a record from the table.
  *
  * If a callback free function is provided then it is called for the
- * for the item being deleted.
+ * item being deleted.
  * @param t the table to delete from.
  * @param e a pointer to the entry to delete.
  * @return 0 if the item was deleted.
@@ -318,7 +318,7 @@ extern int lh_table_delete_entry_to_tail(struct lh_table *t, struct lh_entry *e)
  * Delete a record from the table.
  *
  * If a callback free function is provided then it is called for the
- * for the item being deleted.
+ * item being deleted.
  * @param t the table to delete from.
  * @param k a pointer to the key to delete.
  * @return 0 if the item was deleted.