diff --git a/devel/scheme/overview/overview-lazyness.en.tm b/devel/scheme/overview/overview-lazyness.en.tm
index 4493f39..cd7dc26 100644
--- a/devel/scheme/overview/overview-lazyness.en.tm
+++ b/devel/scheme/overview/overview-lazyness.en.tm
@@ -1,11 +1,11 @@
-<TeXmacs|1.0.7.15>
+<TeXmacs|1.0.7.17>
 
 <style|tmdoc>
 
 <\body>
   <tmdoc-title|The module system and lazy definitions>
 
-  As explaned above, each <scheme> file inside <TeXmacs> or one of its
+  As explained above, each <scheme> file inside <TeXmacs> or one of its
   plug-ins corresponds to a <em|<TeXmacs> module>. The individual <TeXmacs>
   modules are usually grouped together into an internal or external module,
   which corresponds to a directory on your hard disk.
@@ -112,4 +112,7 @@
   Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
   Texts. A copy of the license is included in the section entitled "GNU Free
   Documentation License".>
-</body>
\ No newline at end of file
+</body>
+
+<initial|<\collection>
+</collection>>
\ No newline at end of file
diff --git a/devel/scheme/overview/overview-overloading.en.tm b/devel/scheme/overview/overview-overloading.en.tm
index 0faed22..706644e 100644
--- a/devel/scheme/overview/overview-overloading.en.tm
+++ b/devel/scheme/overview/overview-overloading.en.tm
@@ -1,4 +1,4 @@
-<TeXmacs|1.0.7.14>
+<TeXmacs|1.0.7.17>
 
 <style|tmdoc>
 
@@ -79,7 +79,7 @@
   Besides <scm|tm-define>, several other added language primitives support
   the contextual overloading mechanism. For instance, <scm|kbd-map> and
   <scm|menu-bind> support overloading on mode. The <scm|tm-define-macro> and
-  <scm|tm-property> primitives are analoguous to<nbsp><scm|tm-define>.
+  <scm|tm-property> primitives are analoguous to <scm|tm-define>.
 
   <tmdoc-copyright|2005|Joris van der Hoeven>
 
@@ -89,4 +89,7 @@
   Invariant Sections, with no Front-Cover Texts, and with no Back-Cover
   Texts. A copy of the license is included in the section entitled "GNU Free
   Documentation License".>
-</body>
\ No newline at end of file
+</body>
+
+<initial|<\collection>
+</collection>>
\ No newline at end of file