diff --git a/site/content/environment/_index.en.md b/site/content/environment/_index.en.md
index 33d774d6..c2c6bc52 100644
--- a/site/content/environment/_index.en.md
+++ b/site/content/environment/_index.en.md
@@ -14,7 +14,7 @@ Set to "1" or "true" to turn on debug mode (like running with -debug)
 ## MAGEFILE_CACHE
 
 Sets the directory where mage will store binaries compiled from magefiles
-(default is $HOME/.magefile)
+(default is $HOME/. or %USERPROFILE%\magefile)
 
 ## MAGEFILE_GOCMD
 
diff --git a/site/content/howitworks/_index.en.md b/site/content/howitworks/_index.en.md
index 57e3be81..2aa8110a 100644
--- a/site/content/howitworks/_index.en.md
+++ b/site/content/howitworks/_index.en.md
@@ -14,12 +14,13 @@ binary is also used in the hash.
 
 ## Binary Cache
 
-Compiled magefile binaries are stored in $HOME/.magefile.  This location can be
-customized by setting the MAGEFILE_CACHE environment variable.
+Compiled magefile binaries are stored by default in $HOME/.magefile or in
+%USERPROFILE%\magefile.  This location can be customized by setting the
+MAGEFILE_CACHE environment variable.
 
 ## Go Environment
 
 Mage itself requires no dependencies to run. However, because it is compiling go
 code, you must have a valid go environment set up on your machine.  Mage is
 compatible with any go 1.7+ environment (earlier versions may work but are not
-tested).
\ No newline at end of file
+tested).