Edited chapter_07_aggregate.asciidoc with Atlas code editor

Author: troutman_margaret@yahoo.com

chapter_07_aggregate.asciidoc

@@ -862,7 +862,7 @@ to
 read1, write1, read2, write2(succeed)
 ----
 
-Some people refer to ((("read-modify-write failure mode")))this as the "read-modify-write" failure mode.((("PostgresSQL", "Anti-Patterns: Read-Modify-Write Cycles")))
+Some people refer to ((("read-modify-write failure mode")))this as the "read-modify-write" failure mode.((("PostgreSQL", "Anti-Patterns: Read-Modify-Write Cycles")))
 Read https://oreil.ly/uXeZI["PostgreSQL Anti-Patterns: Read-Modify-Write Cycles"] for a good pass:[<span class="keep-together">overview</span>].
 
 //TODO maybe better diagrams here?