Corrected heading (#589)

chrjohn · web-flow · commit 5bca738d3a9f · 2022-12-16T22:37:40.000+01:00
diff --git a/README.md b/README.md
@@ -70,7 +70,7 @@ https://rawgit.com/quickfix-j/quickfixj/master/quickfixj-core/src/main/doc/userm
 
 ## basics
 
-## example applications
+### example applications
 
 QuickFIX/J includes some example applications in the `quickfixj-examples` module. Moreover, here are some links to example applications:
 
