diff --git a/Makefile b/Makefile
index 31a5e20..c5b5f46 100644
--- a/Makefile
+++ b/Makefile
@@ -7,7 +7,7 @@ DESTDIR:= /
 
 all: build
 
-build:
+build: naxalnet/__init__.py
 	$(PYTHON) setup.py build
 
 install: build
diff --git a/README.md b/README.md
index 862e999..f75f134 100644
--- a/README.md
+++ b/README.md
@@ -3,8 +3,7 @@
 **naxalnet** is a program to create a wireless mesh network for
 communicating with each other. It can be useful during an
 [internet shutdown](#internet-shutdown), or to join
-[online classes](#online-class-in-remote-areas) with a group
-of laptops.
+[online classes](#online-class) with a group of laptops.
 It uses [B.A.T.M.A.N. Advanced][batman-adv], an implementation
 of the B.A.T.M.A.N. routing protocol to communicate with peers.
 The name naxal comes from Naxalbari, a village in Darjeeling,
@@ -246,9 +245,9 @@ systemd-networkd configures the network.
 
 ## Use cases
 
-### Online class in remote areas
+### Online class
 
-naxalnet can be used to share connections in remote areas.
+naxalnet can be used to share connections to join online classes.
 You need at least one device with internet access.
 
 <!--
diff --git a/naxalnet/__init__.py b/naxalnet/__init__.py
index 9a47fe5..593fc52 100644
--- a/naxalnet/__init__.py
+++ b/naxalnet/__init__.py
@@ -35,4 +35,4 @@ See README.md for documentation.
 #
 # In case you forgot to change the version, skip the number
 # and put the next number in the next commit.
-__version__ = "0.3.0a3"
+__version__ = "0.3.0a4"
diff --git a/naxalnet/config.py b/naxalnet/config.py
index 7634795..ecbab00 100644
--- a/naxalnet/config.py
+++ b/naxalnet/config.py
@@ -160,6 +160,7 @@ def parse_args() -> Namespace:
 
     parser.add_argument(
         "--version",
+        "-V",
         default=False,
         action="store_true",
         help="prints the version and exit",