diff --git a/HISTORY.rst b/HISTORY.rst
index 9a01951..f57f537 100644
--- a/HISTORY.rst
+++ b/HISTORY.rst
@@ -3,6 +3,11 @@
 History
 -------
 
+0.4.5 (unreleased)
+---------------------
+
+* Fixed the --pypi-server option
+
 0.4.4 (2016-07-14)
 ---------------------
 
diff --git a/README.rst b/README.rst
index 4f6ff09..aaf31e4 100644
--- a/README.rst
+++ b/README.rst
@@ -38,7 +38,7 @@ Usage
 
     Options:
         --use-local           Use ONLY local package info instead of querying PyPI
-        --pypi-server         Use custom PyPi server
+        --pypi-server <url>   Use custom PyPi server
         --proxy               Use Proxy, parameter will be passed to requests library. You can also just set the
                               environments parameter in your terminal:
                               $ export HTTP_PROXY="http://10.10.1.10:3128"
diff --git a/pipreqs/pipreqs.py b/pipreqs/pipreqs.py
index 2a1b6a9..7f4b2b8 100755
--- a/pipreqs/pipreqs.py
+++ b/pipreqs/pipreqs.py
@@ -7,7 +7,7 @@ Usage:
 
 Options:
     --use-local           Use ONLY local package info instead of querying PyPI
-    --pypi-server         Use custom PyPi server
+    --pypi-server <url>   Use custom PyPi server
     --proxy               Use Proxy, parameter will be passed to requests library. You can also just set the
                           environments parameter in your terminal:
                           $ export HTTP_PROXY="http://10.10.1.10:3128"