documentation: add tutorial for first contribution

diff --git a/Documentation/git-update-ref.txt b/Documentation/git-update-ref.txt
index fda8516677237e9c0a8343f9ca96a1eb969b3492..96714231179cac8242f1bd0f781503d607c4add3 100644 (file)
--- a/Documentation/git-update-ref.txt
+++ b/Documentation/git-update-ref.txt
@@ -129,8 +129,8 @@ a line to the log file "$GIT_DIR/logs/<ref>" (dereferencing all
 symbolic refs before creating the log name) describing the change
 in ref value.  Log lines are formatted as:
 
-    . oldsha1 SP newsha1 SP committer LF
-+
+    oldsha1 SP newsha1 SP committer LF
+
 Where "oldsha1" is the 40 character hexadecimal value previously
 stored in <ref>, "newsha1" is the 40 character hexadecimal value of
 <newvalue> and "committer" is the committer's name, email address
@@ -138,8 +138,8 @@ and date in the standard Git committer ident format.
 
 Optionally with -m:
 
-    . oldsha1 SP newsha1 SP committer TAB message LF
-+
+    oldsha1 SP newsha1 SP committer TAB message LF
+
 Where all fields are as described above and "message" is the
 value supplied to the -m option.