--- a/lib/device_source_impl.cc
+++ b/lib/device_source_impl.cc
@@ -71,7 +71,7 @@
 
 		    pos = it->find('=');
 		    if (pos == std::string::npos) {
-			    std::cerr << "Misformed line: " << *it << std::endl;
+			    std::cerr << "Malformed line: " << *it << std::endl;
 			    continue;
 		    }
 
