diff --git a/README.md b/README.md
index f3479cb3..d246f1bb 100644
--- a/README.md
+++ b/README.md
@@ -144,6 +144,7 @@ Libation's advanced searching is built on the powerful Lucene search engine. Sim
 * Synonyms so you don't have to memorize magic words. Eg: author and author**s** will both work
 * Click [?] button for a full list of search fields and synonyms ![Filter options](images/FilterOptions.png)
 * Search by tag like \[this\]
+* When tags have an underscore you can use part of the tag. This is useful for quick categories. The below examples make this more clear.
 
 #### Search examples
 
@@ -163,4 +164,9 @@ Only books written by Neil Gaiman where he also narrates his own book. (If you d
 
 ![Search example: author:gaiman AND authornarrated](images/SearchExampleGaimanAuthorNarrated.png)
 
+I tagged autobiographies as auto_bio and biographies written by someone else as bio. I can get only autobiographies with \[auto_bio\] or get both by searching \[bio\]
+
+![Search example: \[bio\]](images/SearchExampleBio.png)
+![Search example: \[auto_bio\]](images/SearchExampleAutoBio.png)
+
 ### Filters