README: fixing notice

Author: Antonboom

README.md

@@ -43,6 +43,15 @@ $ testifylint -h
 $ testifylint ./...
 ```
 
+### Fixing
+
+```
+$ testifylint --fix ./...
+```
+
+Fixing with `golangci-lint` is currently unavailable due to
+[golangci/golangci-lint#1779](https://github.com/golangci/golangci-lint/issues/1779).
+
 ## Configuring
 
 ### CLI
@@ -57,6 +66,7 @@ $ testifylint --disable-all --enable=empty,error-is-as ./...
 $ testifylint --enable-all --disable=empty,error-is-as ./...
 
 # Checkers configuration.
+$ testifylint --bool-compare.ignore-custom-types ./...
 $ testifylint --expected-actual.pattern=^wanted$ ./...
 $ testifylint --require-error.fn-pattern="^(Errorf?|NoErrorf?)$" ./...
 $ testifylint --suite-extra-assert-call.mode=require ./...