all: fix typos in comments (#21118)

log/doc.go

@@ -65,7 +65,7 @@ This will output a log line that includes the path context that is attached to t
 
 Handlers
 
-The Handler interface defines where log lines are printed to and how they are formated. Handler is a
+The Handler interface defines where log lines are printed to and how they are formatted. Handler is a
 single interface that is inspired by net/http's handler interface:
 
     type Handler interface {

log/format.go

@@ -78,7 +78,7 @@ type TerminalStringer interface {
 // a terminal with color-coded level output and terser human friendly timestamp.
 // This format should only be used for interactive programs or while developing.
 //
-//     [LEVEL] [TIME] MESAGE key=value key=value ...
+//     [LEVEL] [TIME] MESSAGE key=value key=value ...
 //
 // Example:
 //

log/handler.go

@@ -117,7 +117,7 @@ func formatCall(format string, c stack.Call) string {
 }
 
 // CallerStackHandler returns a Handler that adds a stack trace to the context
-// with key "stack". The stack trace is formated as a space separated list of
+// with key "stack". The stack trace is formatted as a space separated list of
 // call sites inside matching []'s. The most recent call site is listed first.
 // Each call site is formatted according to format. See the documentation of
 // package github.com/go-stack/stack for the list of supported formats.