diff --git a/src/core/border_router/routing_manager.cpp b/src/core/border_router/routing_manager.cpp
index 34bbf421c..c3e343e0c 100644
--- a/src/core/border_router/routing_manager.cpp
+++ b/src/core/border_router/routing_manager.cpp
@@ -2553,7 +2553,7 @@ void RoutingManager::OmrPrefixManager::Start(void)
     FavoredOmrPrefix favoredPrefix;
 
     DetermineFavoredPrefixInNetData(favoredPrefix);
-    SetFavordPrefix(favoredPrefix);
+    SetFavoredPrefix(favoredPrefix);
 }
 
 void RoutingManager::OmrPrefixManager::Stop(void)
@@ -2625,7 +2625,7 @@ exit:
     return error;
 }
 
-void RoutingManager::OmrPrefixManager::SetFavordPrefix(const OmrPrefix &aOmrPrefix)
+void RoutingManager::OmrPrefixManager::SetFavoredPrefix(const OmrPrefix &aOmrPrefix)
 {
     FavoredOmrPrefix oldFavoredPrefix = mFavoredPrefix;
 
@@ -2732,18 +2732,18 @@ void RoutingManager::OmrPrefixManager::Evaluate(void)
 
     if (mLocalPrefix.IsEmpty())
     {
-        SetFavordPrefix(favoredPrefix);
+        SetFavoredPrefix(favoredPrefix);
         ExitNow();
     }
 
     if (favoredPrefix.IsEmpty() || favoredPrefix.GetPreference() < mLocalPrefix.GetPreference())
     {
         SuccessOrExit(AddLocalToNetData());
-        SetFavordPrefix(mLocalPrefix);
+        SetFavoredPrefix(mLocalPrefix);
         ExitNow();
     }
 
-    SetFavordPrefix(favoredPrefix);
+    SetFavoredPrefix(favoredPrefix);
 
     if (favoredPrefix.GetPrefix() == mLocalPrefix.GetPrefix())
     {
diff --git a/src/core/border_router/routing_manager.hpp b/src/core/border_router/routing_manager.hpp
index c813b48de..a54fc8209 100644
--- a/src/core/border_router/routing_manager.hpp
+++ b/src/core/border_router/routing_manager.hpp
@@ -1337,8 +1337,8 @@ private:
 
         typedef String<kInfoStringSize> InfoString;
 
-        void       SetFavordPrefix(const OmrPrefix &aOmrPrefix);
-        void       ClearFavoredPrefix(void) { SetFavordPrefix(OmrPrefix()); }
+        void       SetFavoredPrefix(const OmrPrefix &aOmrPrefix);
+        void       ClearFavoredPrefix(void) { SetFavoredPrefix(OmrPrefix()); }
         void       DetermineFavoredPrefixInNetData(FavoredOmrPrefix &aFavoredPrefix);
         void       UpdateLocalPrefix(void);
         Error      AddLocalToNetData(void);