Update textbook

_sources/chapters/basics/exercises.md

@@ -26,7 +26,7 @@ scroll down to find it on that page).
   there is no built-in integer exponentiation operator in OCaml (nor is there in
   C, by the way), in part because it is not an operation provided by most CPUs.*
 
-[ops]: https://ocaml.org/manual/expr.html
+[ops]: https://v2.ocaml.org/manual/expr.html#ss%3Aexpr-operators
 
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 {{ ex1 | replace("%%NAME%%", "equality")}}

chapters/basics/exercises.html

@@ -541,7 +541,7 @@ <h1><span class="section-number">2.9. </span>Exercises<a class="headerlink" href
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 <hr class="docutils" />
 <p><strong>Exercise: operators [★★]</strong></p>
-<p>Examine the <a class="reference external" href="https://ocaml.org/manual/expr.html">table of all operators in the OCaml manual</a> (you will have to
+<p>Examine the <a class="reference external" href="https://v2.ocaml.org/manual/expr.html#ss%3Aexpr-operators">table of all operators in the OCaml manual</a> (you will have to
 scroll down to find it on that page).</p>
 <ul class="simple">
 <li><p>Write an expression that multiplies <code class="docutils literal notranslate"><span class="pre">42</span></code> by <code class="docutils literal notranslate"><span class="pre">10</span></code>.</p></li>