diff --git a/lib/handlers/put.js b/lib/handlers/put.js
index 168278a46..4979dc9c5 100644
--- a/lib/handlers/put.js
+++ b/lib/handlers/put.js
@@ -11,7 +11,7 @@ async function handler (req, res, next) {
   res.header('MS-Author-Via', 'SPARQL')
   const contentType = req.get('content-type')
 
-  // check if a folder or resource with same name exists
+  // check whether a folder or resource with same name exists
   try {
     const ldp = req.app.locals.ldp
     await ldp.checkItemName(req)
diff --git a/lib/ldp.js b/lib/ldp.js
index c24cc12b0..b785d6e18 100644
--- a/lib/ldp.js
+++ b/lib/ldp.js
@@ -158,7 +158,7 @@ class LDP {
       extension = ''
     }
 
-    // allways return a valid URL.
+    // always return a valid URL.
     const resourceUrl = await ldp.getAvailableUrl(hostname, containerPath, { slug, extension, container })
     debug.handlers('POST -- Will create at: ' + resourceUrl)
 
@@ -327,7 +327,7 @@ class LDP {
     } catch (err) { }
   }
 
-  // check if a document (or container) has the same name than a document (or container)
+  // check whether a document (or container) has the same name as another document (or container)
   async checkItemName (url) {
     let testName, testPath
     const { hostname, pathname } = this.resourceMapper._parseUrl(url) // (url.url || url)
@@ -585,13 +585,13 @@ class LDP {
 
     let itemName = slug.endsWith(extension) || slug.endsWith(this.suffixAcl) || slug.endsWith(this.suffixMeta) ? slug : slug + extension
     try {
-      // check resource exists
+      // check whether resource exists
       const context = container ? '/' : ''
       await this.resourceMapper.mapUrlToFile({ url: (requestUrl + itemName + context) })
       itemName = `${uuid.v1()}-${itemName}`
     } catch (e) {
       try {
-        // check resource with same name exists
+        // check whether resource with same name exists
         const context = !container ? '/' : ''
         await this.resourceMapper.mapUrlToFile({ url: (requestUrl + itemName + context) })
         itemName = `${uuid.v1()}-${itemName}`