diff --git a/README.md b/README.md
index a47f6a6d..146f3260 100644
--- a/README.md
+++ b/README.md
@@ -127,7 +127,9 @@ from clp_ffi_py.ir import ClpIrFileReader, Query, QueryBuilder
 # Create a QueryBuilder object to build the search query.
 query_builder: QueryBuilder = QueryBuilder()
 
-# Add wildcard patterns to filter log messages:
+# Add wildcard patterns to filter log messages.By default, the partial match
+# will be executed. Please refer to the documents of `WildcardQuery` object for
+# the difference between partial and full matches.
 query_builder.add_wildcard_query("uid=*,status=failed")
 query_builder.add_wildcard_query("UID=*,Status=KILLED", case_sensitive=True)
 
diff --git a/src/clp_ffi_py/ir/native/PyQuery.cpp b/src/clp_ffi_py/ir/native/PyQuery.cpp
index eb515eea..4629dfcb 100644
--- a/src/clp_ffi_py/ir/native/PyQuery.cpp
+++ b/src/clp_ffi_py/ir/native/PyQuery.cpp
@@ -109,7 +109,7 @@ auto serialize_wildcard_queries(std::vector<WildcardQuery> const& wildcard_queri
     Py_ssize_t idx{0};
     for (auto const& wildcard_query : wildcard_queries) {
         PyObjectPtr<PyObject> const wildcard_py_str_ptr{
-                PyUnicode_FromString(wildcard_query.get_uncleaned_wildcard_query().c_str())
+                PyUnicode_FromString(wildcard_query.get_original_query_string().c_str())
         };
         auto* wildcard_py_str{wildcard_py_str_ptr.get()};
         if (nullptr == wildcard_py_str) {
diff --git a/src/clp_ffi_py/ir/native/Query.hpp b/src/clp_ffi_py/ir/native/Query.hpp
index 2901b60c..ac2f1097 100644
--- a/src/clp_ffi_py/ir/native/Query.hpp
+++ b/src/clp_ffi_py/ir/native/Query.hpp
@@ -28,21 +28,21 @@ class WildcardQuery {
      * @param partial_match Partial match indicator.
      */
     WildcardQuery(std::string wildcard_query, bool case_sensitive, bool partial_match)
-            : m_uncleaned_wildcard_query(std::move(wildcard_query)),
+            : m_original_query_string(std::move(wildcard_query)),
               m_case_sensitive(case_sensitive),
               m_partial_match(partial_match) {
         if (partial_match) {
             m_wildcard_query = "*";
-            m_wildcard_query += m_uncleaned_wildcard_query;
+            m_wildcard_query += m_original_query_string;
             m_wildcard_query += "*";
             m_wildcard_query = clean_up_wildcard_search_string(m_wildcard_query);
         } else {
-            m_wildcard_query = clean_up_wildcard_search_string(m_uncleaned_wildcard_query);
+            m_wildcard_query = clean_up_wildcard_search_string(m_original_query_string);
         }
     }
 
-    [[nodiscard]] auto get_uncleaned_wildcard_query() const -> std::string const& {
-        return m_uncleaned_wildcard_query;
+    [[nodiscard]] auto get_original_query_string() const -> std::string const& {
+        return m_original_query_string;
     }
 
     [[nodiscard]] auto get_wildcard_query() const -> std::string const& { return m_wildcard_query; }
@@ -52,7 +52,7 @@ class WildcardQuery {
     [[nodiscard]] auto is_partial_match() const -> bool { return m_partial_match; }
 
 private:
-    std::string m_uncleaned_wildcard_query;
+    std::string m_original_query_string;
     std::string m_wildcard_query;
     bool m_case_sensitive;
     bool m_partial_match;