diff --git a/docs/_borders/top.htm b/docs/_borders/top.htm
index d1a12fe7d129baedd81623d8f97bac93dcfdc4bc..83b687698f63f43f65c69d885a34efe8f914eb35 100644
--- a/docs/_borders/top.htm
+++ b/docs/_borders/top.htm
@@ -1,7 +1,7 @@
 <html>
 
 <head>
-<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Type" content="text/html; charset=IBM437">
 <title>Shared Top Border</title>
 <meta name="Microsoft Border" content="none">
 </head>
diff --git a/docs/adding_nodes.html b/docs/adding_nodes.html
index 8efcef2a2e80e10920c2bb58649be6edd6f966fa..4d47a320ca21f3bad2b2f15f9f5f066956e6345d 100644
--- a/docs/adding_nodes.html
+++ b/docs/adding_nodes.html
@@ -1,7 +1,7 @@
 <html>
 
 <head>
-<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Type" content="text/html; charset=IBM437">
 <meta name="GENERATOR" content="Microsoft FrontPage 4.0">
 <meta name="ProgId" content="FrontPage.Editor.Document">
 <title>Adding Nodes</title>
diff --git a/docs/customization.html b/docs/customization.html
index 1676f568b8e0a2b3fa0e31e22a534fe3bfb86807..bb814500f8d54a0ca95aea53962a9acb20d6b532 100644
--- a/docs/customization.html
+++ b/docs/customization.html
@@ -1,7 +1,7 @@
 <html>
 
 <head>
-<meta http-equiv="Content-Type" content="text/html; charset=windows-1252">
+<meta http-equiv="Content-Type" content="text/html; charset=IBM437">
 <meta name="GENERATOR" content="Microsoft FrontPage 4.0">
 <meta name="ProgId" content="FrontPage.Editor.Document">
 <title>Customization</title>