[api] wording...

src/api/app/controllers/issue_trackers_controller.rb

@@ -137,7 +137,7 @@ def issues_in
     IssueTracker.regexen.each do |regex|
       # Ruby's string#scan method unfortunately doesn't return the whole match if a RegExp contains groups.
       # RegExp#match does that but it doesn't advance the string if called consecutively. Thus we have to do
-      # this it hand...
+      # it by hand...
       text = params[:text]
       begin
         match = regex.match(text)

src/api/db/migrate/20111117162400_enhance_issue_tracker_regexen.rb

@@ -6,7 +6,7 @@ def self.up
     # For CVEs, the whole number can be send upstream (e.g 'CVE-2011-1234').
 
     # This is easily fixed by only returning the number part in a RegEx capture group instead of
-    # the whole match. This implies that a regexp should include at most one capture group
+    # the whole match. The API always takes the last capture group (for cases like /(Kernel|K|bko)#(\d+)/).
 
     trackers_regexen = {
       :boost => 'boost#(\d+)',