Update README.md

thomashoneyman · web-flow · commit 17b32fb9f846 · 2020-08-01T18:12:21.000-07:00
diff --git a/README.md b/README.md
@@ -22,7 +22,7 @@ steps:
 
 ### Use Specific Versions
 
-Use specific versions of PureScript and/or Spago by supplying a valid tag in their respective GitHub repositories:
+Use specific versions of PureScript and/or Spago by supplying a valid semantic version (only exact versions currently supported):
 
 ```yaml
 steps:
