the implementation uses ZipImportError, not ZipImporterError...
diff --git a/Doc/lib/libzipimport.tex b/Doc/lib/libzipimport.tex
index 9455310..0a60b29 100644
--- a/Doc/lib/libzipimport.tex
+++ b/Doc/lib/libzipimport.tex
@@ -36,7 +36,7 @@
 
 The available attributes of this module are:
 
-\begin{excdesc}{ZipImporterError}
+\begin{excdesc}{ZipImportError}
   Exception raised by zipimporter objects. It's a subclass of
   \exception{ImportError}, so it can be caught as \exception{ImportError},
   too.