Fix various typos, spelling mistakes, and inconsistencies

Change-Id: If8a00ab24285a32840dc9c92697366037554cbca
diff --git a/Documentation/rest-api-config.txt b/Documentation/rest-api-config.txt
index a378462..c7c0878 100644
--- a/Documentation/rest-api-config.txt
+++ b/Documentation/rest-api-config.txt
@@ -1572,7 +1572,7 @@
 link:config-gerrit.html#gerrit[gerrit] section as link:#gerrit-info[
 GerritInfo] entity.
 |`note_db_enabled`         |not set if `false`|
-Whether the NoteDB storage backend is fully enabled.
+Whether the NoteDb storage backend is fully enabled.
 |`plugin `                 ||
 Information about Gerrit extensions by plugins as
 link:#plugin-config-info[PluginConfigInfo] entity.