HDX-9839 update text

ckanext-hdx_theme/ckanext/hdx_theme/helpers/ui_constants/landing_pages/signals.py

@@ -6,7 +6,7 @@
     'DATA_COVERAGE_SECTION_DESCRIPTION': '''Datasets monitored by HDX signals at the moment are as follows:''',
 
     'SIGNUP_SECTION_TITLE': '''Sign up''',
-    'SIGNUP_SECTION_DESCRIPTION': '''Sign up below to receive HDX Signals emails. You must select specific datasets, plus entire regions and/or priority humanitarian locations, to receive content that you are interested in.''',
+    'SIGNUP_SECTION_DESCRIPTION': '''Sign up below to receive HDX Signals emails. To receive the content you are interested in, please make sure you have selected AT LEAST ONE dataset and region or priority humanitarian location from the options below.''',
 
     'RESOURCES_SECTION_TITLE': '''Resources''',
     'RESOURCES_SECTION_DESCRIPTION': '''For more information about the datasets monitored by HDX signals as well as information for developers see the following:''',