Update operation description

src/core/operations/Subsection.mjs

@@ -23,7 +23,7 @@ class Subsection extends Operation {
         this.name = "Subsection";
         this.flowControl = true;
         this.module = "Regex";
-        this.description = "Select a part of the input data using regex, and run all subsequent operations on each match separately.";
+        this.description = "Select a part of the input data using a regular expression (regex), and run all subsequent operations on each match separately.<br><br>You can use up to one capture group, where the recipe will only be run on the data in the capture group. If there's more than one capture group, only the first one will be operated on.";
         this.infoURL = "";
         this.inputType = "string";
         this.outputType = "string";