diff --git a/go/analysis/passes/asmdecl/asmdecl.go b/go/analysis/passes/asmdecl/asmdecl.go
index c2e89ee..5c93a4f 100644
--- a/go/analysis/passes/asmdecl/asmdecl.go
+++ b/go/analysis/passes/asmdecl/asmdecl.go
@@ -22,9 +22,11 @@
 	"golang.org/x/tools/go/analysis/passes/internal/analysisutil"
 )
 
+const Doc = "report mismatches between assembly files and Go declarations"
+
 var Analyzer = &analysis.Analyzer{
 	Name: "asmdecl",
-	Doc:  "report mismatches between assembly files and Go declarations",
+	Doc:  Doc,
 	Run:  run,
 }
 
diff --git a/go/analysis/passes/atomicalign/atomicalign.go b/go/analysis/passes/atomicalign/atomicalign.go
index 504b1c2..7387df0 100644
--- a/go/analysis/passes/atomicalign/atomicalign.go
+++ b/go/analysis/passes/atomicalign/atomicalign.go
@@ -19,9 +19,11 @@
 	"golang.org/x/tools/go/ast/inspector"
 )
 
+const Doc = "check for non-64-bits-aligned arguments to sync/atomic functions"
+
 var Analyzer = &analysis.Analyzer{
 	Name:     "atomicalign",
-	Doc:      "check for non-64-bits-aligned arguments to sync/atomic functions",
+	Doc:      Doc,
 	Requires: []*analysis.Analyzer{inspect.Analyzer},
 	Run:      run,
 }
diff --git a/go/analysis/passes/bools/bools.go b/go/analysis/passes/bools/bools.go
index fbc1f7e..5ae47d8 100644
--- a/go/analysis/passes/bools/bools.go
+++ b/go/analysis/passes/bools/bools.go
@@ -17,9 +17,11 @@
 	"golang.org/x/tools/go/ast/inspector"
 )
 
+const Doc = "check for common mistakes involving boolean operators"
+
 var Analyzer = &analysis.Analyzer{
 	Name:     "bools",
-	Doc:      "check for common mistakes involving boolean operators",
+	Doc:      Doc,
 	Requires: []*analysis.Analyzer{inspect.Analyzer},
 	Run:      run,
 }
diff --git a/go/analysis/passes/buildtag/buildtag.go b/go/analysis/passes/buildtag/buildtag.go
index 5a441e6..78176f1 100644
--- a/go/analysis/passes/buildtag/buildtag.go
+++ b/go/analysis/passes/buildtag/buildtag.go
@@ -16,9 +16,11 @@
 	"golang.org/x/tools/go/analysis/passes/internal/analysisutil"
 )
 
+const Doc = "check that +build tags are well-formed and correctly located"
+
 var Analyzer = &analysis.Analyzer{
 	Name: "buildtag",
-	Doc:  "check that +build tags are well-formed and correctly located",
+	Doc:  Doc,
 	Run:  runBuildTag,
 }
 
diff --git a/go/analysis/passes/cgocall/cgocall.go b/go/analysis/passes/cgocall/cgocall.go
index d499f3c..1b7b8d2 100644
--- a/go/analysis/passes/cgocall/cgocall.go
+++ b/go/analysis/passes/cgocall/cgocall.go
@@ -23,7 +23,7 @@
 
 const debug = false
 
-const doc = `detect some violations of the cgo pointer passing rules
+const Doc = `detect some violations of the cgo pointer passing rules
 
 Check for invalid cgo pointer passing.
 This looks for code that uses cgo to call C code passing values
@@ -34,7 +34,7 @@
 
 var Analyzer = &analysis.Analyzer{
 	Name:             "cgocall",
-	Doc:              doc,
+	Doc:              Doc,
 	RunDespiteErrors: true,
 	Run:              run,
 }
diff --git a/go/analysis/passes/errorsas/errorsas.go b/go/analysis/passes/errorsas/errorsas.go
index cd37407..b80271a 100644
--- a/go/analysis/passes/errorsas/errorsas.go
+++ b/go/analysis/passes/errorsas/errorsas.go
@@ -16,14 +16,14 @@
 	"golang.org/x/tools/go/types/typeutil"
 )
 
-const doc = `report passing non-pointer or non-error values to errors.As
+const Doc = `report passing non-pointer or non-error values to errors.As
 
 The errorsas analysis reports calls to errors.As where the type
 of the second argument is not a pointer to a type implementing error.`
 
 var Analyzer = &analysis.Analyzer{
 	Name:     "errorsas",
-	Doc:      doc,
+	Doc:      Doc,
 	Requires: []*analysis.Analyzer{inspect.Analyzer},
 	Run:      run,
 }
diff --git a/go/analysis/passes/printf/printf.go b/go/analysis/passes/printf/printf.go
index 38a752c..a81dba9 100644
--- a/go/analysis/passes/printf/printf.go
+++ b/go/analysis/passes/printf/printf.go
@@ -33,14 +33,14 @@
 
 var Analyzer = &analysis.Analyzer{
 	Name:       "printf",
-	Doc:        doc,
+	Doc:        Doc,
 	Requires:   []*analysis.Analyzer{inspect.Analyzer},
 	Run:        run,
 	ResultType: reflect.TypeOf((*Result)(nil)),
 	FactTypes:  []analysis.Fact{new(isWrapper)},
 }
 
-const doc = `check consistency of Printf format strings and arguments
+const Doc = `check consistency of Printf format strings and arguments
 
 The check applies to known functions (for example, those in package fmt)
 as well as any detected wrappers of known functions.
diff --git a/go/analysis/passes/shift/shift.go b/go/analysis/passes/shift/shift.go
index 0db95da..1f3df07 100644
--- a/go/analysis/passes/shift/shift.go
+++ b/go/analysis/passes/shift/shift.go
@@ -21,9 +21,11 @@
 	"golang.org/x/tools/go/ast/inspector"
 )
 
+const Doc = "check for shifts that equal or exceed the width of the integer"
+
 var Analyzer = &analysis.Analyzer{
 	Name:     "shift",
-	Doc:      "check for shifts that equal or exceed the width of the integer",
+	Doc:      Doc,
 	Requires: []*analysis.Analyzer{inspect.Analyzer},
 	Run:      run,
 }
diff --git a/go/analysis/passes/unmarshal/unmarshal.go b/go/analysis/passes/unmarshal/unmarshal.go
index d019ece..f9cc993 100644
--- a/go/analysis/passes/unmarshal/unmarshal.go
+++ b/go/analysis/passes/unmarshal/unmarshal.go
@@ -16,14 +16,14 @@
 	"golang.org/x/tools/go/types/typeutil"
 )
 
-const doc = `report passing non-pointer or non-interface values to unmarshal
+const Doc = `report passing non-pointer or non-interface values to unmarshal
 
 The unmarshal analysis reports calls to functions such as json.Unmarshal
 in which the argument type is not a pointer or an interface.`
 
 var Analyzer = &analysis.Analyzer{
 	Name:     "unmarshal",
-	Doc:      doc,
+	Doc:      Doc,
 	Requires: []*analysis.Analyzer{inspect.Analyzer},
 	Run:      run,
 }