Correct two typos (#304)

Signed-off-by: Alexander Seiler <[email protected]>

Author: goggle

docs/src/faq.md

@@ -59,7 +59,7 @@ A solution is to ensure that `juliacall` is imported before `torch`.
 
 Related issues: [#215](https://github.com/cjdoris/PythonCall.jl/issues/215)
 
-## `ccall requries the compiler` error when importing some Python libraries
+## `ccall requires the compiler` error when importing some Python libraries
 On some systems, you may see an error like the following when import e.g. `matplotlib` before `juliacall`:
 
 ```

src/convert.jl

@@ -35,7 +35,7 @@ then by the specificity of `t` (e.g. `bool` is more specific than `int` is more
 than `object`) then by the order they were added. The rules are tried in turn until one
 succeeds.
 
-### Implemeting `func`
+### Implementing `func`
 
 `func` is called as `func(S, x::Py)` for some `S <: T`.