e10d4e543c21831fa3bdc8fb515de9eb2411223b
galt
  Mon Apr 14 23:15:21 2025 -0700
Fixing instructions in hgCustom for URL-only custom tracks. fixes #20985.

diff --git src/hg/hgCustom/hgCustom.c src/hg/hgCustom/hgCustom.c
index 2bede5d24db..05bace98840 100644
--- src/hg/hgCustom/hgCustom.c
+++ src/hg/hgCustom/hgCustom.c
@@ -350,31 +350,37 @@
 	    "    $('#ContinueWithWarn').hide();\n"
 	    "});\n");
 	}
     cgiMakeButtonWithOnClick("Submit", "Submit", NULL, "return submitClick(this);");
     printf("<img id='loadingImg' src='../images/loading.gif' />\n");
     cgiTableFieldEnd();
     }
 cgiTableRowEnd();
 
 /* next row - text entry box for  data, and clear button */
 cgiSimpleTableRowStart();
 puts("<TD COLSPAN=2>");
 if (dataUrl)
     {
     /* can't update via pasting if loaded from URL */
-    safef(buf, sizeof buf, "Data was uploaded from URL: %s\nTo see changes made to the data at the URL, re-load the URL on the \"Add custom tracks\" page.", ctDataUrl(ct));
+ safef(buf, sizeof buf, "Data was uploaded from URL: %s\n"
+     "\n"
+     "To update this data, press submit to go to \"Manage Custom Tracks\" page, "
+     "select the checkbox box in the update column beside this custom track, "
+     "and press the update button at the top of the column. "
+     , ctDataUrl(ct));
+
     cgiMakeTextAreaDisableable(hgCtDataText, buf,
                                 TEXT_ENTRY_ROWS, TEXT_ENTRY_COLS, TRUE);
     }
 else
     {
     int rows = (isUpdateForm ? TEXT_ENTRY_ROWS - CONFIG_ENTRY_ROWS :
                                 TEXT_ENTRY_ROWS);
     cgiMakeTextArea(hgCtDataText, cartUsualString(cart, hgCtDataText, ""),
                                     rows, TEXT_ENTRY_COLS);
     }
 
 cgiTableFieldEnd();
 
 cgiSimpleTableFieldStart();
 cgiSimpleTableStart();