Fix schema help

Author: pinin4fjords

nextflow_schema.json

@@ -181,7 +181,7 @@
                     "type": "string",
                     "description": "Name of iGenomes reference.",
                     "fa_icon": "fas fa-book",
-                    "help_text": "If using a reference genome configured in the pipeline using iGenomes, use this parameter to give the ID for the reference. This is then used to build the full paths for all required reference genome files e.g. `--genome GRCh38`. \n\nSee the [nf-core website docs](https://nf-co.re/usage/reference_genomes) for more details."
+                    "help_text": "If using a reference genome configured in the pipeline using iGenomes (not recommended), use this parameter to give the ID for the reference. This is then used to build the full paths for all required reference genome files e.g. `--genome GRCh38`. \n\nSee the [nf-core website docs](https://nf-co.re/usage/reference_genomes) for more details."
                 },
                 "fasta": {
                     "type": "string",
@@ -336,7 +336,7 @@
                     "description": "Load the iGenomes reference config.",
                     "fa_icon": "fas fa-ban",
                     "hidden": true,
-                    "help_text": "Load `igenomes.config` when running the pipeline. You may choose this option if you observe clashes between custom parameters and those supplied in `igenomes.config`."
+                    "help_text": "Load `igenomes.config` when running the pipeline. You may choose this option if you want to use iGenomes reference configurations like `--genome GRCh38` rather than explicit reference file provision."
                 }
             },
             "required": ["fasta"]