Minor typos (#1595)

* Remove extra backtick

* Reword explanation of update

* Reword explanation of relative update

* Change "remaple" to "remain"

* Change "clovver" to "clobber"

* Reword explanation of update for comment operators

* Reword explanation of relative update for comment operators

* Change "array" to "expression"

* Change "the golangs" to "Golang's"

* Change "golangs" to "Golang's"

* Change "can durations" to "can add durations"

* Change "array scalars" to "arrays"

* Change "beit" to "be it"

* Fix typo in `eval` tip

* Fix typo in header for `has` operation

* Add space before pipe in `line` operator example

* Fix typos in explanation of deep array merges

* Change "is now used" to "is now used."

* Change "object," to "object."

* Changes "indexes" to "indices"

* Remove extraneous copied text from `..` article

* Reword explanation of `...` operator

* Change "your are" to "you are"

* Add link to `string` operator docs in `select` article

* Change "is a" to "parameter specifies" in `string` operators article

* Change "new line" to "newline"

* Change "golang regex" to "Golang's regex"

* Change "golang" to "Golang"

* Add period

* Remove comma in `subtract` article

* Remove duplicate number subtraction example

* Remove comma in `traverse` operator article

* Clarify use of brackets when `read`ing with special characters

pkg/yqlib/operator_subtract_test.go

@@ -67,15 +67,6 @@ var subtractOperatorScenarios = []expressionScenario{
 			"D0, P[], (doc)::{a: -1.5, b: 4.5}\n",
 		},
 	},
-	{
-		description:    "Number subtraction - float",
-		subdescription: "If the lhs or rhs are floats then the expression will be calculated with floats.",
-		document:       `{a: 3, b: 4.5}`,
-		expression:     `.a = .a - .b`,
-		expected: []string{
-			"D0, P[], (doc)::{a: -1.5, b: 4.5}\n",
-		},
-	},
 	{
 		description:    "Number subtraction - int",
 		subdescription: "If both the lhs and rhs are ints then the expression will be calculated with ints.",