Fix incorrect example in string formatting docs.

ext/strings.go

@@ -96,7 +96,7 @@ const (
 //	"a map inside a list: %s".format([[1, 2, 3, {"a": "x", "b": "y", "c": "z"}]]) // returns "a map inside a list: [1, 2, 3, {"a":"x", "b":"y", "c":"d"}]"
 //	"true bool: %s - false bool: %s\nbinary bool: %b".format([true, false, true]) // returns "true bool: true - false bool: false\nbinary bool: 1"
 //
-// Passing an incorrect type (an integer to `%s`) is considered an error, as well as attempting
+// Passing an incorrect type (a string to `%b`) is considered an error, as well as attempting
 // to use more formatting clauses than there are arguments (`%d %d %d` while passing two ints, for instance).
 // If compile-time checking is enabled, and the formatting string is a constant, and the argument list is a literal,
 // then letting any arguments go unused/unformatted is also considered an error.

ext/strings_test.go

@@ -713,6 +713,14 @@ func TestStringFormat(t *testing.T) {
 			expectedRuntimeCost:   11,
 			expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
 		},
+		{
+			name:                  "int support for string",
+			format:                "%s",
+			formatArgs:            `999999999999`,
+			expectedOutput:        "999999999999",
+			expectedRuntimeCost:   11,
+			expectedEstimatedCost: checker.CostEstimate{Min: 11, Max: 11},
+		},
 		{
 			name:                  "bytes support for string",
 			format:                "some bytes: %s",