diff --git a/src/OEBPS/Text/installation.xhtml b/src/OEBPS/Text/installation.xhtml
index ab1fe47..d2462ec 100644
--- a/src/OEBPS/Text/installation.xhtml
+++ b/src/OEBPS/Text/installation.xhtml
@@ -43,7 +43,7 @@
 </span></li>
   </ul>
 
-  <p>Fr Sigil versions prior to Sigil 1.9, if you want to <a href="manage_plugins.xhtml">install Sigil plugins</a> that come with Tcl/Tk based user interfaces, you’ll also need to install <a href="https://www.activestate.com/products/tcl/downloads/">ActiveTcl 8.6.x</a>. Sigil version 1.9 and later include this by default as part of Sigil.</p>
+  <p>For Sigil versions prior to Sigil 1.9, if you want to <a href="manage_plugins.xhtml">install Sigil plugins</a> that come with Tcl/Tk based user interfaces, you’ll also need to install <a href="https://www.activestate.com/products/tcl/downloads/">ActiveTcl 8.6.x</a>. Sigil version 1.9 and later include this by default as part of Sigil.</p>
 
   <h3 class="sigil_not_in_toc" id="installation_linux">Linux</h3>
 
@@ -55,4 +55,4 @@
     <li class="indent"><a href="https://github.com/Sigil-Ebook/Sigil/blob/master/docs/Building_on_Linux.md">Building Sigil On Linux</a></li>
   </ul>
 </body>
-</html>
\ No newline at end of file
+</html>