diff --git a/src/routes/v3/slp.js b/src/routes/v3/slp.js
index 97a7e1f..8e4301e 100644
--- a/src/routes/v3/slp.js
+++ b/src/routes/v3/slp.js
@@ -1251,6 +1251,8 @@ class Slp {
       const tokenRes = await _this.axios.request(opt)
       // console.log(`tokenRes: ${util.inspect(tokenRes)}`)
 
+      // Return 'not found' error if both the confirmed and unconfirmed
+      // collections are empty.
       if (tokenRes.data.c.length === 0 && tokenRes.data.u.length === 0) {
         res.status(404)
         return res.json({ error: 'TXID not found' })
@@ -1437,9 +1439,9 @@ class Slp {
       sendOutputs.push(string.toString())
     })
 
-    // Because you are not using insight, you do not get the sending addresses from an indexer
-    // or from the node
-    // However, they are available from the SLPDB output
+    // Because you are not using Insight API indexer, you do not get the
+    // sending addresses from an indexer or from the node.
+    // However, they are available from the SLPDB output.
     const tokenInputs = transaction.in
     // Collect the input addresses
     const sendInputs = []