Auto merge of #45756 - topecongiro:fix-typos/librustc_typeck, r=kennytm

Fix typos in README.md

This nitpicky PR fixes few typos I found while reading `README.md`s.

Author: bors

src/librustc/infer/README.md

@@ -90,7 +90,7 @@ holds trivially because A==B.  However, we have now lost some
 flexibility, because perhaps the user intended for A and B to end up
 as different types and not the same type.
 
-Pictorally, what this does is to take two distinct variables with
+Pictorially, what this does is to take two distinct variables with
 (hopefully not completely) distinct type ranges and produce one with
 the intersection.
 

src/librustc_typeck/README.md

@@ -12,7 +12,7 @@ The `rustc_typeck` crate contains the source for "type collection" and
 
 ## Type collection
 
-Type "collection" is the process of convering the types found in the
+Type "collection" is the process of converting the types found in the
 HIR (`hir::Ty`), which represent the syntactic things that the user
 wrote, into the **internal representation** used by the compiler
 (`Ty<'tcx>`) -- we also do similar conversions for where-clauses and