diff --git a/include/openthread/border_routing.h b/include/openthread/border_routing.h
index ba8d40ee1..4801d869e 100644
--- a/include/openthread/border_routing.h
+++ b/include/openthread/border_routing.h
@@ -190,7 +190,7 @@ otError otBorderRoutingGetOmrPrefix(otInstance *aInstance, otIp6Prefix *aPrefix)
  * @param[out]  aPrefix      A pointer to output the favored OMR prefix.
  * @param[out]  aPreference  A pointer to output the preference associated the favored prefix.
  *
- * @retval  OT_ERROR_INVALID_STATE  The Border Routing Manager is not initialized yet.
+ * @retval  OT_ERROR_INVALID_STATE  The Border Routing Manager is not running yet.
  * @retval  OT_ERROR_NONE           Successfully retrieved the favored OMR prefix.
  *
  */
diff --git a/include/openthread/instance.h b/include/openthread/instance.h
index 34f294fe1..1a809bc19 100644
--- a/include/openthread/instance.h
+++ b/include/openthread/instance.h
@@ -53,7 +53,7 @@ extern "C" {
  * @note This number versions both OpenThread platform and user APIs.
  *
  */
-#define OPENTHREAD_API_VERSION (271)
+#define OPENTHREAD_API_VERSION (272)
 
 /**
  * @addtogroup api-instance
diff --git a/src/core/border_router/routing_manager.cpp b/src/core/border_router/routing_manager.cpp
index 00b415755..8c61f6f05 100644
--- a/src/core/border_router/routing_manager.cpp
+++ b/src/core/border_router/routing_manager.cpp
@@ -148,7 +148,7 @@ Error RoutingManager::GetFavoredOmrPrefix(Ip6::Prefix &aPrefix, RoutePreference
 {
     Error error = kErrorNone;
 
-    VerifyOrExit(IsInitialized(), error = kErrorInvalidState);
+    VerifyOrExit(IsRunning(), error = kErrorInvalidState);
     aPrefix     = mFavoredOmrPrefix.GetPrefix();
     aPreference = mFavoredOmrPrefix.GetPreference();
 
diff --git a/src/core/border_router/routing_manager.hpp b/src/core/border_router/routing_manager.hpp
index 75fa75eba..30137ba4d 100644
--- a/src/core/border_router/routing_manager.hpp
+++ b/src/core/border_router/routing_manager.hpp
@@ -197,7 +197,7 @@ public:
      * @param[out] aPrefix         A reference to output the favored prefix.
      * @param[out] aPreference     A reference to output the preference associated with the favored OMR prefix.
      *
-     * @retval  kErrorInvalidState  The Border Routing Manager is not initialized yet.
+     * @retval  kErrorInvalidState  The Border Routing Manager is not running yet.
      * @retval  kErrorNone          Successfully retrieved the OMR prefix.
      *
      */