diff --git a/book/04-git-server/sections/git-on-a-server.asc b/book/04-git-server/sections/git-on-a-server.asc
index 696888be6..641e600e3 100644
--- a/book/04-git-server/sections/git-on-a-server.asc
+++ b/book/04-git-server/sections/git-on-a-server.asc
@@ -54,7 +54,7 @@ $ git clone user@git.example.com:/srv/git/my_project.git
 
 If a user SSHs into a server and has write access to the `/srv/git/my_project.git` directory, they will also automatically have push access.
 
-Git will automatically add group write permissions to a repository properly if you run the `git init` command with the `--shared` option. 
+Git will automatically add group write permissions to a repository properly if you run the `git init` command with the `--shared` option.
 Note that by running this command, you will not destroy any commits, refs, etc. in the process.(((git commands, init, bare)))
 
 [source,console]
diff --git a/book/06-github/sections/2-contributing.asc b/book/06-github/sections/2-contributing.asc
index 6fe3afc39..70ee10b83 100644
--- a/book/06-github/sections/2-contributing.asc
+++ b/book/06-github/sections/2-contributing.asc
@@ -406,7 +406,7 @@ Not that this is incredibly useful, but it does add an element of fun and emotio
 ====
 There are actually quite a number of web services that make use of emoji characters these days. A great cheat sheet to reference to find emoji that expresses what you want to say can be found at:
 
-http://www.emoji-cheat-sheet.com
+https://www.webfx.com/tools/emoji-cheat-sheet/
 ====
 
 ===== Images