Merge pull request #2154 from bitcp/Update-two-URLs

Update two URLs

Author: ehuss

src/linkage.md

@@ -10,7 +10,7 @@ statically and dynamically. This section will explore the various methods to
 link crates together, and more information about native libraries can be
 found in the [FFI section of the book][ffi].
 
-[ffi]: ../book/ch19-01-unsafe-rust.html#using-extern-functions-to-call-external-code
+[ffi]: ../book/ch20-01-unsafe-rust.html#using-extern-functions-to-call-external-code
 
 r[link.type]
 In one session of compilation, the compiler can generate multiple artifacts

src/tokens.md

@@ -869,7 +869,7 @@ r[lex.token.reserved-guards.edition2024]
 [Integer literal expressions]: expressions/literal-expr.md#integer-literal-expressions
 [keywords]: keywords.md
 [literal expressions]: expressions/literal-expr.md
-[loop labels]: expressions/loop-expr.md
+[loop labels]: expressions/loop-expr.md#loop-labels
 [macros]: macros-by-example.md
 [String continuation escapes]: expressions/literal-expr.md#string-continuation-escapes
 [syntax index]: syntax-index.md#operators-and-punctuation