diff --git a/tools/PrecompiledAbis.html b/tools/PrecompiledAbis.html
index b52ec00..ece6831 100644
--- a/tools/PrecompiledAbis.html
+++ b/tools/PrecompiledAbis.html
@@ -108,11 +108,11 @@ <h3>Methods</h3>
                 <thead>
                   <tr>
                     <th>Method Name</th>
-                    <th>Method Selector</th>
+                    <th title="First 4 bytes of the keccak256 hash of the method signature">Method Selector</th>
                     <th>Method Signature</th>
                     <th>Output Type</th>
                     <th>Abi</th>
-                    <th>Peg Type</th>
+                    <th title="Shows to what peg process (pegin or pegout) this method is related to.">Peg Type</th>
                   </tr>
                 </thead>
                 <tbody id="methodsTableBody"></tbody>
@@ -125,10 +125,10 @@ <h3>Events</h3>
                 <thead>
                   <tr>
                     <th>Event Name</th>
-                    <th>Event Topic</th>
-                    <th>Peg Type</th>
+                    <th title="Keccak256 hash of the event signature">Event Topic</th>
                     <th>Event Signature</th>
                     <th>Abi</th>
+                    <th title="Shows to what peg process (pegin or pegout) this event is related to.">Peg Type</th>
                   </tr>
                 </thead>
                 <tbody id="eventsTableBody"></tbody>