diff --git a/lib/perobs/IndexTreeNode.rb b/lib/perobs/IndexTreeNode.rb
index <HASH>..<HASH> 100644
--- a/lib/perobs/IndexTreeNode.rb
+++ b/lib/perobs/IndexTreeNode.rb
@@ -190,8 +190,8 @@ module PEROBS
     # Recursively check this node and all sub nodes. Compare the found
     # ID/address pairs with the corresponding entry in the given FlatFile.
     # @param flat_file [FlatFile]
-    # @tree_level [Fixnum] Assumed level in the tree. Must correspond with
-    #             @nibble_idx
+    # @param tree_level [Fixnum] Assumed level in the tree. Must correspond
+    #        with @nibble_idx
     # @return [Boolean] true if no errors were found, false otherwise
     def check(flat_file, tree_level)
       if tree_level >= 16
diff --git a/lib/perobs/Store.rb b/lib/perobs/Store.rb
index <HASH>..<HASH> 100644
--- a/lib/perobs/Store.rb
+++ b/lib/perobs/Store.rb
@@ -160,7 +160,6 @@ module PEROBS
 
     # Copy the store content into a new Store. The arguments are identical to
     # Store.new().
-    # @param data_base [String] the name of the database
     # @param options [Hash] various options to affect the operation of the
     def copy(dir, options = {})
       # Make sure all objects are persisted.
Fix: Eliminate yardoc warnings.