documentation: add tutorial for first contribution

diff --git a/Documentation/git-http-backend.txt b/Documentation/git-http-backend.txt
index 9268fb6b1ea2de2b29fb077a1a675c727526abeb..558966aa837930538010217752c3d94dee29dccc 100644 (file)
--- a/Documentation/git-http-backend.txt
+++ b/Documentation/git-http-backend.txt
@@ -21,7 +21,7 @@ pushing using the smart HTTP protocol.
 It verifies that the directory has the magic file
 "git-daemon-export-ok", and it will refuse to export any Git directory
 that hasn't explicitly been marked for export this way (unless the
-GIT_HTTP_EXPORT_ALL environmental variable is set).
+`GIT_HTTP_EXPORT_ALL` environmental variable is set).
 
 By default, only the `upload-pack` service is enabled, which serves
 'git fetch-pack' and 'git ls-remote' clients, which are invoked from
@@ -162,7 +162,7 @@ ScriptAliasMatch ^/git/[^/]*(.*) /usr/libexec/git-core/git-http-backend/storage.
 
 Accelerated static Apache 2.x::
        Similar to the above, but Apache can be used to return static
-       files that are stored on disk.  On many systems this may
+       files that are stored on disk.  On many systems this may
        be more efficient as Apache can ask the kernel to copy the
        file contents from the file system directly to the network:
 +
@@ -241,7 +241,7 @@ $HTTP["url"] =~ "^/git/private" {
 
 ENVIRONMENT
 -----------
-'git http-backend' relies upon the CGI environment variables set
+'git http-backend' relies upon the `CGI` environment variables set
 by the invoking web server, including:
 
 * PATH_INFO (if GIT_PROJECT_ROOT is set, otherwise PATH_TRANSLATED)
@@ -251,7 +251,7 @@ by the invoking web server, including:
 * QUERY_STRING
 * REQUEST_METHOD
 
-The GIT_HTTP_EXPORT_ALL environmental variable may be passed to
+The `GIT_HTTP_EXPORT_ALL` environmental variable may be passed to
 'git-http-backend' to bypass the check for the "git-daemon-export-ok"
 file in each repository before allowing export of that repository.
 
@@ -269,7 +269,7 @@ GIT_COMMITTER_EMAIL to '$\{REMOTE_USER}@http.$\{REMOTE_ADDR\}',
 ensuring that any reflogs created by 'git-receive-pack' contain some
 identifying information of the remote user who performed the push.
 
-All CGI environment variables are available to each of the hooks
+All `CGI` environment variables are available to each of the hooks
 invoked by the 'git-receive-pack'.
 
 GIT