diff --git a/src/common/cmdline.c b/src/common/cmdline.c
index 3d4ac8cb1..564a4203a 100644
--- a/src/common/cmdline.c
+++ b/src/common/cmdline.c
@@ -87,10 +87,10 @@ void NeedArg (const char* Opt)
 
 
 
-void InvSym (const char* Def)
-/* Print an error about an invalid symbol definition and die */
+void InvDef (const char* Def)
+/* Print an error about an invalid definition and die */
 {
-    fprintf (stderr, "Invalid symbol definition: `%s'\n", Def);
+    fprintf (stderr, "Invalid definition: `%s'\n", Def);
     exit (EXIT_FAILURE);
 }
 
diff --git a/src/common/cmdline.h b/src/common/cmdline.h
index aadeb0626..da620ac44 100644
--- a/src/common/cmdline.h
+++ b/src/common/cmdline.h
@@ -72,8 +72,8 @@ void UnknownOption (const char* Opt);
 void NeedArg (const char* Opt);
 /* Print an error about a missing option argument and exit. */
 
-void InvSym (const char* Def);
-/* Print an error about an invalid symbol definition and die */
+void InvDef (const char* Def);
+/* Print an error about an invalid definition and die */
 
 const char* GetArg (int* ArgNum, unsigned Len);
 /* Get an argument for a short option. The argument may be appended to the