diff --git a/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp b/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp
index 34f8d4dd88..99236e4e29 100644
--- a/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp
+++ b/gnucash/import-export/csv-imp/assistant-csv-trans-import.cpp
@@ -1732,8 +1732,6 @@ void CsvImpTransAssist::preview_validate_settings ()
 
 /* Populates the account match view with all potential
  * account names found in the parse data.
- *
- * @param info The data being previewed
  */
 void CsvImpTransAssist::acct_match_set_accounts ()
 {
@@ -1963,7 +1961,7 @@ CsvImpTransAssist::assist_account_match_page_prepare ()
     // Load the account strings into the store
     acct_match_set_accounts ();
 
-    // Match the account strings to the mappings
+    // Match the account strings to account maps from previous imports
     auto store = gtk_tree_view_get_model (GTK_TREE_VIEW(account_match_view));
     gnc_csv_account_map_load_mappings (store);
 
diff --git a/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp b/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp
index 8fbfc0d93c..b783bfc3c1 100644
--- a/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp
+++ b/gnucash/import-export/csv-imp/gnc-imp-props-tx.cpp
@@ -113,7 +113,7 @@ GncNumeric parse_amount (const std::string &str, int currency_format)
     if (str.empty())
         return GncNumeric{};
 
-    /* Strings otherwise containing not digits will be considered invalid */
+    /* Strings otherwise containing no digits will be considered invalid */
     if(!boost::regex_search(str, boost::regex("[0-9]")))
         throw std::invalid_argument (_("Value doesn't appear to contain a valid number."));
 
diff --git a/libgnucash/engine/Account.h b/libgnucash/engine/Account.h
index cc4fc6bd9f..c8b9cfa6db 100644
--- a/libgnucash/engine/Account.h
+++ b/libgnucash/engine/Account.h
@@ -914,7 +914,7 @@ typedef enum
     */
     /** The gnc_account_lookup_by_name() subroutine fetches the account by
      *  name from the descendants of the specified account.  The immediate
-     *  children are searched first.  If there is no match,, then a
+     *  children are searched first.  If there is no match, then a
      *  recursive search of all descendants is performed looking for a
      *  match.
      *