Describe default for splits()'s Nsplit [ci skip]

Author: martinmoene

README.md

@@ -168,7 +168,7 @@ The following table presents types, values and simplified, short prototypes of t
 | **Combining**     | string **append**(string_view head, string_view tail)                                                 | string with tail appended to head                                                                                     |
 | &nbsp;            | string **join**(collection\<string_view\> vec, string_view sep)                                       | string with elements of collection joined with given separator string                                                 |
 | &nbsp;            | &nbsp;                                                                                                | &nbsp;                                                                                                                |
-| **Separating**    | vector\<string_view\> **split**(string_view sv, string_view set \[, Nsplit\])                         | vector of string_view with elements of string separated by characters from given set                                  |
+| **Separating**    | vector\<string_view\> **split**(string_view sv, string_view set \[, Nsplit\])                         | vector of string_view with elements of string separated by characters from given set, default no limit on elements    |
 | &nbsp;            | tuple\<string_view, string_view\> **split_left**(string_view sv, string_view set \[, size_t count\])  | tuple with head and tail string_view on given string as split at left by characters in given set, default all in set  |
 | &nbsp;            | tuple\<string_view, string_view\> **split_right**(string_view sv, string_view set \[, size_t count\]) | tuple with head and tail string_view on given string as split at right by characters in given set, default all in set |