Update docs

README.md

@@ -29,15 +29,15 @@ Feature                                                                  | Suppo
 [not_null](docs/headers.md#user-content-H-pointers-not_null)             | ☑   | Restricts a pointer / smart pointer to hold non-null values
 [span](docs/headers.md#user-content-H-span-span)                         | ☑   | A view over a contiguous sequence of memory. Based on the standardized version of `std::span`, however `gsl::span` enforces bounds checking.
 span_p                                                                   | ☐   | Spans a range starting from a pointer to the first place for which the predicate is true
-[basic_zstring](docs/headers.md#user-content-H-string_span)              | ☑   | A pointer to a C-string (zero-terminated array) with a templated char type
-[zstring](docs/headers.md#user-content-H-string_span)                    | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of char
-[czstring](docs/headers.md#user-content-H-string_span)                   | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const char
-[wzstring](docs/headers.md#user-content-H-string_span)                   | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of wchar_t
-[cwzstring](docs/headers.md#user-content-H-string_span)                  | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const wchar_t
-[u16zstring](docs/headers.md#user-content-H-string_span)                 | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of char16_t
-[cu16zstring](docs/headers.md#user-content-H-string_span)                | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const char16_t
-[u32zstring](docs/headers.md#user-content-H-string_span)                 | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of char32_t
-[cu32zstring](docs/headers.md#user-content-H-string_span)                | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const char32_t
+[basic_zstring](docs/headers.md#user-content-H-zstring)              | ☑   | A pointer to a C-string (zero-terminated array) with a templated char type
+[zstring](docs/headers.md#user-content-H-zstring)                    | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of char
+[czstring](docs/headers.md#user-content-H-zstring)                   | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const char
+[wzstring](docs/headers.md#user-content-H-zstring)                   | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of wchar_t
+[cwzstring](docs/headers.md#user-content-H-zstring)                  | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const wchar_t
+[u16zstring](docs/headers.md#user-content-H-zstring)                 | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of char16_t
+[cu16zstring](docs/headers.md#user-content-H-zstring)                | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const char16_t
+[u32zstring](docs/headers.md#user-content-H-zstring)                 | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of char32_t
+[cu32zstring](docs/headers.md#user-content-H-zstring)                | ☑   | An alias to `basic_zstring` with dynamic extent and a char type of const char32_t
 [**2. Owners**][cg-owners]                                               |            |
 [unique_ptr](docs/headers.md#user-content-H-pointers-unique_ptr)         | ☑   | An alias to `std::unique_ptr`
 [shared_ptr](docs/headers.md#user-content-H-pointers-shared_ptr)         | ☑   | An alias to `std::shared_ptr`

docs/headers.md

@@ -14,7 +14,7 @@ See [GSL: Guidelines support library](https://isocpp.github.io/CppCoreGuidelines
 - [`<pointers>`](#user-content-H-pointers)
 - [`<span>`](#user-content-H-span)
 - [`<span_ext>`](#user-content-H-span_ext)
-- [`<string_span>`](#user-content-H-string_span)
+- [`<zstring>`](#user-content-H-zstring)
 - [`<util>`](#user-content-H-util)
 
 ## <a name="H-algorithms" />`<algorithms>`
@@ -729,7 +729,7 @@ crend(const span<ElementType, Extent>& s) noexcept;
 
 Free functions for getting a non-const/const begin/end normal/reverse iterator for a [`span`](#user-content-H-span-span).
 
-## <a name="H-string_span" />`<string_span>`
+## <a name="H-zstring" />`<zstring>`
 
 This header exports a family of `*zstring` types.