diff --git a/README.md b/README.md
index 420a86a..eb4f383 100644
--- a/README.md
+++ b/README.md
@@ -17,8 +17,8 @@ Supports the following info. Parsed info in bold:
 
 - Hop
     - **Hop counter**
-    - **[AS\#]**
     - Probe
+        - **[AS\#]**
         - **Hostname**
         - **(IP address)**
         - **RTT**
@@ -26,20 +26,20 @@ Supports the following info. Parsed info in bold:
 
 # Usage
 
-```
+```python
 import trparse
-s = <some_output_from_traceroute> 
+s = "<some_output_from_traceroute>"
 # Parse the traceroute output
 traceroute = trparse.loads(s)
 # You can print the result
-print traceroute
+print(traceroute)
 # Save it as string
 tr_str = str(traceroute) 
 # Or travel the tree
 hop = traceroute.hops[0]
 probe = hop.probes[0]
 # And print the IP address
-print probe.ip
+print(probe.ip)
 ```
 
 # Data structures
@@ -77,7 +77,7 @@ some tokens it expects to find in a specific format. For example:
     preceded by space characters).
 -   **[AS\#]** must be surrounded by square brackets `[]` and start with
     `AS`.
--   **Hostname** Can be a hostname or its IP address without parenthesis
+-   **Hostname** can be a hostname or its IP address without parenthesis.
 -   **(IP address)** either IPv4 or IPv6 must surrounded by parenthesis
     `()`.
 -   **RTT** must be in integer (without commas or dots) or float format
diff --git a/setup.py b/setup.py
index 2950670..43b75f1 100644
--- a/setup.py
+++ b/setup.py
@@ -40,7 +40,7 @@
 ]
 
 setup(name='trparse',
-      version='0.3.0',
+      version='0.3.1',
       description='Traceroute parser',
       author='Luis Benitez',
       url='https://github.com/lbenitez000/trparse',
diff --git a/trparse.py b/trparse.py
index 5eb380b..5e88d7e 100644
--- a/trparse.py
+++ b/trparse.py
@@ -36,7 +36,7 @@ def add_hop(self, hop):
         self.hops.append(hop)
 
     def __str__(self):
-        text = "Traceroute for %s (%s)\n\n" % (self.dest_name, self.dest_ip)
+        text = "Traceroute for {} ({})\n\n".format(self.dest_name, self.dest_ip)
         for hop in self.hops:
             text += str(hop)
         return text
@@ -47,7 +47,7 @@ class Hop(object):
     Abstraction of a hop in a traceroute.
     """
     def __init__(self, idx):
-        self.idx = idx  # Hop count, starting at 1
+        self.idx = idx  # Hop count, starting at 1 (usually)
         self.probes = []  # Series of Probe instances
 
     def add_probe(self, probe):