Update src/test/ui/nll/issue-63154-normalize.rs

review feedback

Co-Authored-By: Mazdak Farrokhzad <twingoow@gmail.com>

Author: pnkfelix

src/test/ui/nll/issue-63154-normalize.rs

@@ -1,6 +1,6 @@
 // Regression test for rust-lang/rust#63154
 //
-// Before, we would ICE after faiing to normalize the destination type
+// Before, we would ICE after failing to normalize the destination type
 // when checking call destinations and also when checking MIR
 // assignment statements.