[gthumb] README.md: wrap links in angle brackets

[Paolo Bacchilega <paobac src gnome org>]

commit ddc178637c7cbee5b9698b883467bc67dbee3325
Author: Paolo Bacchilega <paobac src gnome org>
Date:   Sun Feb 7 13:21:27 2021 +0100

    README.md: wrap links in angle brackets

 README.md | 12 +++++-------
 1 file changed, 5 insertions(+), 7 deletions(-)
---
diff --git a/README.md b/README.md
index a8aa7432..1f320729 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # gThumb
 
 An image viewer and browser utility for the GNOME environment.
-More information can be found at https://wiki.gnome.org/Apps/Gthumb.
+More information can be found at <https://wiki.gnome.org/Apps/Gthumb>.
 
 ![Image](https://gitlab.gnome.org/GNOME/gthumb/raw/master/data/appdata/ss-viewer.png)
 
@@ -60,7 +60,7 @@ More information can be found at https://wiki.gnome.org/Apps/Gthumb.
   are implemented as extensions and are supplied with the standard
   distribution. Users may write (and share) additional extensions.
 
-  See https://wiki.gnome.org/Apps/Gthumb/extensions for details.
+  See <https://wiki.gnome.org/Apps/Gthumb/extensions> for details.
 
 ## Licensing
 
@@ -101,11 +101,9 @@ More information can be found at https://wiki.gnome.org/Apps/Gthumb.
 
 ## Download
 
-  Tar archives:
+  Source archives available at <http://ftp.gnome.org/pub/GNOME/sources/gthumb>.
 
-    http://ftp.gnome.org/pub/GNOME/sources/gthumb
-
-  Git repository:
+  Clone the Git repository:
 
     git clone https://gitlab.gnome.org/GNOME/gthumb.git
 
@@ -117,4 +115,4 @@ More information can be found at https://wiki.gnome.org/Apps/Gthumb.
     sudo ninja -C build install
 
    More development information is available at
-   https://wiki.gnome.org/Apps/Gthumb/development.
+   <https://wiki.gnome.org/Apps/Gthumb/development>.