diff --git a/tools/dochack/dochack.nim b/tools/dochack/dochack.nim
index 471212a504..4a491cf883 100644
--- a/tools/dochack/dochack.nim
+++ b/tools/dochack/dochack.nim
@@ -268,15 +268,13 @@ var
 template normalize(x: cstring): cstring = x.toLower.replace("_", "")
 
 proc escapeCString(x: var cstring) =
+  # Original strings are already escaped except HTML tags, so
+  # we only escape `<` and `>`.
   var s = ""
   for c in x:
     case c
-    of '&': s.add("&amp;")
     of '<': s.add("&lt;")
     of '>': s.add("&gt;")
-    of '"': s.add("&quot;")
-    of '\'': s.add("&#039;")
-    of '/': s.add("&#x2F;")
     else: s.add(c)
   x = s.cstring