self-review fixes

README.md

@@ -95,8 +95,8 @@ In any case, you can just not enable the linter.
 
 ```shell
 $ nilnil --checked-types chan,func,iface,map,ptr,uintptr,unsafeptr ./...
-$ nilnil --detect-opposite-too ./...
-$ nilnil --detect-opposite-too --checked-types ptr ./..
+$ nilnil --detect-opposite ./...
+$ nilnil --detect-opposite --checked-types ptr ./..
 ```
 
 ### golangci-lint
@@ -106,9 +106,9 @@ https://golangci-lint.run/usage/linters/#nilnil
 ```yaml
 linters-settings:
   nilnil:
-    # Detect opposite situation (simultaneous return of non-nil error and valid value).
+    # In addition, detect opposite situation (simultaneous return of non-nil error and valid value).
     # Default: false
-    detect-opposite-too: true
+    detect-opposite: true
     # List of return types to check.
     # Default: ["chan", "func", "iface", "map", "ptr", "uintptr", "unsafeptr"]
     checked-types:

pkg/analyzer/analyzer.go

@@ -30,8 +30,8 @@ func New() *analysis.Analyzer {
 		Requires: []*analysis.Analyzer{inspect.Analyzer},
 	}
 	a.Flags.Var(&n.checkedTypes, "checked-types", "comma separated list of return types to check")
-	a.Flags.BoolVar(&n.detectOppositeToo, "detect-opposite-too", false,
-		"detect opposite situation (simultaneous return of non-nil error and valid value)")
+	a.Flags.BoolVar(&n.detectOppositeToo, "detect-opposite", false,
+		"in addition, detect opposite situation (simultaneous return of non-nil error and valid value)")
 
 	return a
 }

pkg/analyzer/analyzer_test.go

@@ -32,7 +32,7 @@ func TestNilNil_Flags_DetectOpposite(t *testing.T) {
 	t.Parallel()
 
 	anlzr := analyzer.New()
-	if err := anlzr.Flags.Set("detect-opposite-too", "true"); err != nil {
+	if err := anlzr.Flags.Set("detect-opposite", "true"); err != nil {
 		t.Fatal(err)
 	}
 	analysistest.Run(t, analysistest.TestData(), anlzr, "opposite")
@@ -42,7 +42,7 @@ func TestNilNil_Flags_DetectOppositeAndCheckedTypes(t *testing.T) {
 	t.Parallel()
 
 	anlzr := analyzer.New()
-	if err := anlzr.Flags.Set("detect-opposite-too", "true"); err != nil {
+	if err := anlzr.Flags.Set("detect-opposite", "true"); err != nil {
 		t.Fatal(err)
 	}
 	if err := anlzr.Flags.Set("checked-types", "chan,map"); err != nil {