diff --git a/lib/doc/UserGuide.lyx b/lib/doc/UserGuide.lyx
index db28cfd02e..20bbae2a64 100644
--- a/lib/doc/UserGuide.lyx
+++ b/lib/doc/UserGuide.lyx
@@ -1,5 +1,5 @@
 #LyX 2.4 created this file. For more info see https://www.lyx.org/
-\lyxformat 596
+\lyxformat 598
 \begin_document
 \begin_header
 \save_transient_properties true
@@ -154,6 +154,7 @@ logicalmkup
 \html_math_output 0
 \html_css_as_file 0
 \html_be_strict true
+\docbook_table_output 0
 \author -1402925745 "Günter Milde"
 \author -712698321 "Jürgen Spitzmüller"
 \author -584632292 "Richard Kimberly Heck"
@@ -5214,7 +5215,13 @@ Subparagraph
 \SpecialChar LyX
  labels each heading with a series of numbers, separated by periods.
  The numbers describe where in the document you are.
- Unlike the other headings, parts are numbered with Latin letters.
+ Unlike the other headings, parts are numbered with 
+\change_inserted -131811572 1596358186
+Roman numerals
+\change_deleted -131811572 1596358192
+Latin letters
+\change_unchanged
+.
 \end_layout
 
 \begin_layout Standard
@@ -15137,6 +15144,8 @@ status open
 
 \change_inserted -712698321 1525607513
 no 
+\change_unchanged
+
 \end_layout
 
 \end_inset
@@ -45984,6 +45993,8 @@ status collapsed
 \change_inserted -712698321 1557645185
 \SpecialChar LaTeX
  packages ! inputenc
+\change_unchanged
+
 \end_layout
 
 \end_inset
diff --git a/lib/examples/Graphics_and_Insets/XY-Pic.lyx b/lib/examples/Graphics_and_Insets/XY-Pic.lyx
index a2361140ca..bdd5809655 100644
--- a/lib/examples/Graphics_and_Insets/XY-Pic.lyx
+++ b/lib/examples/Graphics_and_Insets/XY-Pic.lyx
@@ -3786,7 +3786,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://www.ctan.org/pkg/xypic
+https://www.ctan.org/pkg/xypic
 \end_layout
 
 \end_inset
@@ -3812,7 +3812,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://www.gnu.org/software/auctex/preview-latex.html
+https://www.gnu.org/software/auctex/preview-latex.html
 \end_layout
 
 \end_inset
@@ -3835,7 +3835,7 @@ status collapsed
 
 \begin_layout Plain Layout
 
-http://www.gnu.org/software/auctex/
+https://www.gnu.org/software/auctex/
 \end_layout
 
 \end_inset
@@ -3851,7 +3851,7 @@ literal "true"
 
 \end_inset
 
-Aarlon Lauda: 
+Aaron Lauda: 
 \begin_inset ERT
 status collapsed
 
@@ -3878,11 +3878,12 @@ tutorial with an archive of examples
 
 
 \begin_inset Flex URL
-status open
+status collapsed
 
 \begin_layout Plain Layout
 
-https://www.ctan.org/tex-archive/macros/generic/diagrams/xypic/doc/xyguide.pdf
+https://web.archive.org/web/20080222044349/https://www.dpmms.cam.ac.uk/~al366/xytutori
+al.html
 \end_layout
 
 \end_inset