doc: change environment variables format

diff --git a/Documentation/git-log.txt b/Documentation/git-log.txt
index 03f958029ad7a35ec29f111217cd76ba21de9b5e..e8dc9cab90af2a439d6770faac93b3481f2f17ed 100644 (file)
--- a/Documentation/git-log.txt
+++ b/Documentation/git-log.txt
@@ -201,7 +201,7 @@ mailmap.*::
 
 notes.displayRef::
        Which refs, in addition to the default set by `core.notesRef`
-       or 'GIT_NOTES_REF', to read notes from when showing commit
+       or `GIT_NOTES_REF`, to read notes from when showing commit
        messages with the `log` family of commands.  See
        linkgit:git-notes[1].
 +
@@ -210,7 +210,7 @@ multiple times.  A warning will be issued for refs that do not exist,
 but a glob that does not match any refs is silently ignored.
 +
 This setting can be disabled by the `--no-notes` option,
-overridden by the 'GIT_NOTES_DISPLAY_REF' environment variable,
+overridden by the `GIT_NOTES_DISPLAY_REF` environment variable,
 and overridden by the `--notes=<ref>` option.
 
 GIT