diff --git a/libpldmresponder/bios_config.cpp b/libpldmresponder/bios_config.cpp
index 82b3dfe..9883075 100644
--- a/libpldmresponder/bios_config.cpp
+++ b/libpldmresponder/bios_config.cpp
@@ -1079,7 +1079,7 @@
         }
     }
 
-    throw std::invalid_argument("Unknow attribute Name");
+    throw std::invalid_argument("Unknown attribute Name");
 }
 
 void BIOSConfig::constructPendingAttribute(