Merge pull request #343 from Arthur-Milchior/readme1

Update README.md with a link and a typo correction

README.md

@@ -26,7 +26,7 @@ anyhow = "1.0"
   return type of any fallible function.
 
   Within the function, use `?` to easily propagate any error that implements the
-  `std::error::Error` trait.
+  [`std::error::Error`] trait.
 
   ```rust
   use anyhow::Result;
@@ -38,6 +38,8 @@ anyhow = "1.0"
   }
   ```
 
+  [`std::error::Error`]: https://doc.rust-lang.org/std/error/trait.Error.html
+
 - Attach context to help the person troubleshooting the error understand where
   things went wrong. A low-level error like "No such file or directory" can be
   annoying to debug without more context about what higher level step the
@@ -125,7 +127,7 @@ anyhow = "1.0"
 
 ## No-std support
 
-In no_std mode, the same API is almost all available and works the same way. To
+In no_std mode, the same API is almost entirely available and works the same way. To
 depend on Anyhow in no_std mode, disable our default enabled "std" feature in
 Cargo.toml. A global allocator is required.