corrected, works.

pub/lib/integrate.cpp

@@ -158,6 +158,6 @@ void NCvin::display_cvins()
 void NCvin::initialize(void)
 {
     // operators by precedence (as in xax_yacc.ypp):
-    (new CCvin( "integral", 2, "-inf,inf", cvin_integrate,
-                "integral from a to b" ))->register_me();
+    (new CCvin( "integrate", 2, "-inf,inf", cvin_integrate,
+                "integrate curve from a to b" ))->register_me();
 }