Fix spelling error

Author: jpipkin1

docs/cse/rules/before-writing-custom-rule.md

@@ -19,7 +19,7 @@ By tuning and using a built-in rule, you avoid the effort of writing a rule, and
 
 The following topics provide information that’s relevant to the process of writing a custom rule:
 
-* [Record Processing Pipeline](/docs/cse/schema/record-processing-pipeline). This topic describes how Cloud SIEM creates records for incoming messages. It provides facts about how message fields are mapped to Cloud SIEM schema attributes; about the attributes Cloud SIEM adds to records to enrich and provide context about IP address, URLs, and domains; “list” features, like Match Lists and Suppress Lists that allow you to include or exclude records based on indentifiers found in records; how to leverage threat intel data and more.
+* [Record Processing Pipeline](/docs/cse/schema/record-processing-pipeline). This topic describes how Cloud SIEM creates records for incoming messages. It provides facts about how message fields are mapped to Cloud SIEM schema attributes; about the attributes Cloud SIEM adds to records to enrich and provide context about IP address, URLs, and domains; “list” features, like Match Lists and Suppress Lists that allow you to include or exclude records based on identifiers found in records; how to leverage threat intel data and more.
 * [Schema Attributes](/docs/cse/schema/schema-attributes). This topic defines the record attributes you can reference in rules.
 * [Cloud SIEM Rules Syntax](/docs/cse/rules/cse-rules-syntax). This topic describes rules language functions and syntax, which you’ll use in writing rule expressions.
 * [Searching for Cloud SIEM Records in Sumo Logic](/docs/cse/records-signals-entities-insights/search-cse-records-in-sumo). This topic explains how to search Cloud SIEM records in the Sumo Logic platform. Typically, you’ll build and refine your rule expressions in Sumo Logic. Once you’re happy with the results, you’ll copy the query into the rule expression field in the rules editor.