diff --git a/CHANGELOG.md b/CHANGELOG.md
index 274cebea..363da492 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,6 +1,6 @@
 # Changelog for mokapot  
 
-## [Unreleased]  
+## [0.6.0] - 2021-03-03  
 ### Added  
 - Support for parsing PSMs from PepXML input files.
 - This changelog.
diff --git a/README.md b/README.md
index 709d79ec..1bee525e 100644
--- a/README.md
+++ b/README.md
@@ -57,7 +57,8 @@ $ pip3 install git+git://github.com/wfondrie/mokapot
 Before you can use mokapot, you need PSMs assigned by a search engine available
 in the [Percolator tab-delimited file
 format](https://github.com/percolator/percolator/wiki/Interface#tab-delimited-file-format)
-(often referred to as the Percolator input, or "PIN", file format). 
+(often referred to as the Percolator input, or "PIN", file format) or as a 
+PepXML file. 
 
 Simple mokapot analyses can be performed at the command line: