diff --git a/README.md b/README.md
index d92811cfe..774cb214c 100644
--- a/README.md
+++ b/README.md
@@ -88,7 +88,7 @@ Validator | Description
**isAlphanumeric(str [, locale])** | check if the string contains only letters and numbers.
Locale is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'el-GR', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'es-ES', 'fr-FR', 'fa-IR', 'he', 'hu-HU', 'it-IT', 'ku-IQ', 'nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'sl-SI', 'sk-SK', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'tr-TR', 'uk-UA']`) and defaults to `en-US`. Locale list is `validator.isAlphanumericLocales`.
**isAscii(str)** | check if the string contains ASCII chars only.
**isBase32(str)** | check if a string is base32 encoded.
-**isBase64(str, [, options])** | check if a string is base64 encoded. options is optional and defaults to `{urlSafe: false}`
when `urlSafe` is true it tests the given base64 encoded string is [url safe](https://base64.guru/standards/base64url)
+**isBase64(str [, options])** | check if a string is base64 encoded. options is optional and defaults to `{urlSafe: false}`
when `urlSafe` is true it tests the given base64 encoded string is [url safe](https://base64.guru/standards/base64url)
**isBefore(str [, date])** | check if the string is a date that's before the specified date.
**isBIC(str)** | check if a string is a BIC (Bank Identification Code) or SWIFT code.
**isBoolean(str)** | check if a string is a boolean.
@@ -97,7 +97,7 @@ Validator | Description
**isCreditCard(str)** | check if the string is a credit card.
**isCurrency(str [, options])** | check if the string is a valid currency amount.
`options` is an object which defaults to `{symbol: '$', require_symbol: false, allow_space_after_symbol: false, symbol_after_digits: false, allow_negatives: true, parens_for_negatives: false, negative_sign_before_digits: false, negative_sign_after_digits: false, allow_negative_sign_placeholder: false, thousands_separator: ',', decimal_separator: '.', allow_decimal: true, require_decimal: false, digits_after_decimal: [2], allow_space_after_digits: false}`.
**Note:** The array `digits_after_decimal` is filled with the exact number of digits allowed not a range, for example a range 1 to 3 will be given as [1, 2, 3].
**isDataURI(str)** | check if the string is a [data uri format](https://developer.mozilla.org/en-US/docs/Web/HTTP/data_URIs).
-**isDate(input, [, format])** | Check if the input is a valid date. e.g. [`2002-07-15`, new Date()].
`format` is a string and defaults to `YYYY/MM/DD`
+**isDate(input [, format])** | Check if the input is a valid date. e.g. [`2002-07-15`, new Date()].
`format` is a string and defaults to `YYYY/MM/DD`
**isDecimal(str [, options])** | check if the string represents a decimal number, such as 0.1, .3, 1.1, 1.00003, 4.0, etc.
`options` is an object which defaults to `{force_decimal: false, decimal_digits: '1,', locale: 'en-US'}`
`locale` determine the decimal separator and is one of `['ar', 'ar-AE', 'ar-BH', 'ar-DZ', 'ar-EG', 'ar-IQ', 'ar-JO', 'ar-KW', 'ar-LB', 'ar-LY', 'ar-MA', 'ar-QA', 'ar-QM', 'ar-SA', 'ar-SD', 'ar-SY', 'ar-TN', 'ar-YE', 'bg-BG', 'cs-CZ', 'da-DK', 'de-DE', 'en-AU', 'en-GB', 'en-HK', 'en-IN', 'en-NZ', 'en-US', 'en-ZA', 'en-ZM', 'es-ES', 'fr-FR', 'hu-HU', 'it-IT', 'ku-IQ', nb-NO', 'nl-NL', 'nn-NO', 'pl-PL', 'pt-BR', 'pt-PT', 'ru-RU', 'sl-SI', 'sr-RS', 'sr-RS@latin', 'sv-SE', 'tr-TR', 'uk-UA']`.
**Note:** `decimal_digits` is given as a range like '1,3', a specific value like '3' or min like '1,'.
**isDivisibleBy(str, number)** | check if the string is a number that's divisible by another.
**isEAN(str)** | check if the string is an EAN (European Article Number).
@@ -127,7 +127,7 @@ Validator | Description
**isISSN(str [, options])** | check if the string is an [ISSN](https://en.wikipedia.org/wiki/International_Standard_Serial_Number).
`options` is an object which defaults to `{ case_sensitive: false, require_hyphen: false }`. If `case_sensitive` is true, ISSNs with a lowercase `'x'` as the check digit are rejected.
**isJSON(str [, options])** | check if the string is valid JSON (note: uses JSON.parse).
`options` is an object which defaults to `{ allow_primitives: false }`. If `allow_primitives` is true, the primitives 'true', 'false' and 'null' are accepted as valid JSON values.
**isJWT(str)** | check if the string is valid JWT token.
-**isLatLong(str)** | check if the string is a valid latitude-longitude coordinate in the format `lat,long` or `lat, long`.
+**isLatLong(str)** | check if the string is a valid latitude-longitude coordinate in the format `lat,long` or `lat, long`.
**isLength(str [, options])** | check if the string's length falls in a range.
`options` is an object which defaults to `{min:0, max: undefined}`. Note: this function takes into account surrogate pairs.
**isLocale(str)** | check if the string is a locale
**isLowercase(str)** | check if the string is lowercase.
@@ -144,7 +144,7 @@ Validator | Description
**isPort(str)** | check if the string is a valid port number.
**isPostalCode(str, locale)** | check if the string is a postal code,
(locale is one of `[ 'AD', 'AT', 'AU', 'BE', 'BG', 'BR', 'CA', 'CH', 'CZ', 'DE', 'DK', 'DZ', 'EE', 'ES', 'FI', 'FR', 'GB', 'GR', 'HR', 'HU', 'ID', 'IE' 'IL', 'IN', 'IR', 'IS', 'IT', 'JP', 'KE', 'LI', 'LT', 'LU', 'LV', 'MT', 'MX', 'NL', 'NO', 'NP', 'NZ', 'PL', 'PR', 'PT', 'RO', 'RU', 'SA', 'SE', 'SI', 'TN', 'TW', 'UA', 'US', 'ZA', 'ZM' ]` OR 'any'. If 'any' is used, function will check if any of the locals match. Locale list is `validator.isPostalCodeLocales`.).
**isRFC3339(str)** | check if the string is a valid [RFC 3339](https://tools.ietf.org/html/rfc3339) date.
-**isRgbColor(str, [, includePercentValues])** | check if the string is a rgb or rgba color.
`includePercentValues` defaults to `true`. If you don't want to allow to set `rgb` or `rgba` values with percents, like `rgb(5%,5%,5%)`, or `rgba(90%,90%,90%,.3)`, then set it to false.
+**isRgbColor(str [, includePercentValues])** | check if the string is a rgb or rgba color.
`includePercentValues` defaults to `true`. If you don't want to allow to set `rgb` or `rgba` values with percents, like `rgb(5%,5%,5%)`, or `rgba(90%,90%,90%,.3)`, then set it to false.
**isSemVer(str)** | check if the string is a Semantic Versioning Specification (SemVer).
**isSurrogatePair(str)** | check if the string contains any surrogate pairs chars.
**isUppercase(str)** | check if the string is uppercase.
@@ -254,4 +254,4 @@ WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
[bower]: http://bower.io/
[mongoid]: http://docs.mongodb.org/manual/reference/object-id/
-[ISIN]: https://en.wikipedia.org/wiki/International_Securities_Identification_Number
+[ISIN]: https://en.wikipedia.org/wiki/International_Securities_Identification_Number
\ No newline at end of file