add links to deny(warnings) antipattern, fix typo (#52)

README.md

@@ -57,7 +57,7 @@ language.
 * TODO wildcard matches
 * TODO taking an enum rather than having multiple functions
 * TODO `unwrap()`ing every `Result` instead of forwarding it
-
+* [`#[deny(warnings)]`](anti_patterns/deny-warnings.md)
 
 
 ## Contributing

anti_patterns/deny-warnings.md

@@ -45,7 +45,7 @@ explicitly.
 
 The following command line will build with all warnings set to `deny`:
  
-```RUSTFLAGS="-D warnings" cargo build"```
+```RUSTFLAGS="-D warnings" cargo build```
 
 This can be done by any individual developer (or be set in a CI tool like
 Travis, but remember that this may break the build when something changes)