typo function name

tools/anndata/manipulate.xml

@@ -180,7 +180,7 @@ print(f"Embedding key {'{$key.source_key}'} not found in source AnnData.")
         #end if
     #end for
 
-#else if $manipulate.function == 'copy_layer'
+#else if $manipulate.function == 'copy_layers'
 source_adata = ad.read_h5ad('$source_adata')
     #for $key in $manipulate.keys
         #if $key.source_key in source_adata.layers:
@@ -376,7 +376,7 @@ print(adata)
                     </param>
                 </repeat>
             </when>
-            <when value="copy_layer">
+            <when value="copy_layers">
                 <param name="source_adata" type="data" format="h5ad" label="Source anndata object" help="Ideally the source AnnData object should containthe same set of genes and cells."/>
                 <repeat name="keys" title="Layers to copy" min="1">
                     <param name="source_key" type="text" label="Layer to be copied from the source anndata">