cosmetic fix

git-svn-id: svn://svn.savannah.gnu.org/nano/trunk/nano@3113 35c25a1d-7b9e-4130-9fde-d3aeb78583b8

src/text.c

@@ -252,7 +252,7 @@ void cancel_command(int signal)
 	nperror("kill");
 }
 
-/* Return TRUE on success. */
+/* Execute command in a shell.  Return TRUE on success. */
 bool execute_command(const char *command)
 {
     int fd[2];