diff --git a/CHANGELOG.md b/CHANGELOG.md
index edb1d0b0..e51347cd 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -45,12 +45,14 @@ Expected: July 2023
 
 ### Minor features
 
+* [Support yang type union with are same subtypes with SNMP](https://github.com/clicon/clixon/pull/427)
 * Removed obsolete compile options introduced in 6.1:
   * `NETCONF_DEFAULT_RETRIEVAL_REPORT_ALL`
   * `AUTOCLI_DEPRECATED_HIDE`
 
 ### Corrected Bugs
 
+* Fixed: [if-feature always negative if imported from another module](https://github.com/clicon/clixon/issues/429)
 * Fixed autocli edit modes for schema mounts
 
 ## 6.2.0
diff --git a/apps/snmp/snmp_lib.c b/apps/snmp/snmp_lib.c
index c95777fa..ec566607 100644
--- a/apps/snmp/snmp_lib.c
+++ b/apps/snmp/snmp_lib.c
@@ -162,18 +162,19 @@ static const map_str2str yang_snmp_types[] = {
  * @retval     1 - true(All subtypes are the same)
  * @retval     0 - false
  */
-int is_same_subtypes_union(yang_stmt *ytype, cbuf *cb)
+int
+is_same_subtypes_union(yang_stmt *ytype,
+                       cbuf      *cb)
 {
     int        retval = 0;
     yang_stmt *y_sub_type = NULL;
     yang_stmt *y_resolved_type = NULL;        /* resolved type */
     char      *resolved_type_str;             /* resolved type */
     char      *type_str = NULL;
-
-    int          options = 0;
-    cvec        *cvv = NULL;
-    cvec        *patterns = NULL;
-    uint8_t      fraction_digits = 0;
+    int        options = 0;
+    cvec      *cvv = NULL;
+    cvec      *patterns = NULL;
+    uint8_t    fraction_digits = 0;
 
     /* Loop over all sub-types in the resolved union type, note these are
      * not resolved types (unless they are built-in, but the resolve call is
@@ -200,7 +201,10 @@ int is_same_subtypes_union(yang_stmt *ytype, cbuf *cb)
     }
     return retval;
 }
-char* yang_type_to_snmp(yang_stmt *ytype, char* yang_type_str)
+
+char*
+yang_type_to_snmp(yang_stmt *ytype,
+                  char*      yang_type_str)
 {
     char* type_str = yang_type_str;
     if (yang_type_str && strcmp(yang_type_str, "union") == 0){
diff --git a/lib/clixon/clixon_xml.h b/lib/clixon/clixon_xml.h
index d9892600..311757dc 100644
--- a/lib/clixon/clixon_xml.h
+++ b/lib/clixon/clixon_xml.h
@@ -83,6 +83,7 @@
 
 /* Name of xml top object created by xml parse functions 
  * This is a "neutral" symbol without any meaning as opposed to the previous symbols ^
+ * @see DATASTORE_TOP_SYMBOL which should be used for clixon top-level config trees
  */
 #define XML_TOP_SYMBOL "top" 
 
diff --git a/test/test_snmp_union.sh b/test/test_snmp_union.sh
old mode 100644
new mode 100755