Update installation instructions for virtual envs

diff --git a/INSTALL.txt b/INSTALL.txt
index b3d2dc63a002444898a62ae5ac1fb3657f3b1065..3dcbcbed4d5b137b6b0c1d2990d0b902c89a2e69 100644 (file)
--- a/INSTALL.txt
+++ b/INSTALL.txt
@@ -16,6 +16,10 @@ Installation using pip:
 
     pip install --trusted-host phdru.name --find-links=http://phdru.name/Software/Python/ --install-option='-O2' --user mimedecode
 
+    Virtual envs:
+
+    pip install --trusted-host phdru.name --find-links=http://phdru.name/Software/Python/ --install-option='-O2' mimedecode
+
 Installation from sources:
 
     To install the program from sources system-wide run run the following