fix comments

Author: belghi_o

lib/parser.js

@@ -51,7 +51,7 @@ function Parser(_app) {
         }
     });
 
-    // check app.options.filterBy and define the tag to filer by
+    // check app.options.filterBy and define the tag to filter by
     if (app.options.filterBy) {
         var tag = app.options.filterBy.split('=')[0];
         filterTag = (tag.indexOf('api') !== -1) ? tag : null;
@@ -438,7 +438,7 @@ Parser.prototype._findBlockWithApiGetIndex = function(blocks) {
                 break;
             }
 
-            // check if the user want to filter by some specifique tag
+            // check if the user want to filter by some specific tag
             if (filterTag) {
                 // we need to add all apidefine
                 if (blocks[i][j].name.substr(0, 9) === 'apidefine') {
@@ -453,7 +453,7 @@ Parser.prototype._findBlockWithApiGetIndex = function(blocks) {
                 found = true;
         }
 
-        // add block if it's apidefine or the tag is equale to the value defined in options.
+        // add block if it's apidefine or the tag is equal to the value defined in options
         if (filterTag) {
             found = found && (isToFilterBy || isDefine);
         }