diff -up rpmlint-1.4/FilesCheck.py.ruby-ri-files rpmlint-1.4/FilesCheck.py
--- rpmlint-1.4/FilesCheck.py.ruby-ri-files	2012-09-06 15:39:40.348664465 -0400
+++ rpmlint-1.4/FilesCheck.py	2012-09-06 15:40:16.231664959 -0400
@@ -273,6 +273,10 @@ def peek(filename, pkg, length=1024):
     if not chunk:  # Empty files are considered text
         return (chunk, True)
 
+    # RI files generated by RDoc are always binary
+    if re.search(r'.*\/ri\/.*\.ri$', filename.lower()):
+        return (chunk, False)
+
     # PDF's are binary but often detected as text by the algorithm below
     if filename.lower().endswith('.pdf') and chunk.startswith('%PDF-'):
         return (chunk, False)