diff --git a/bip-0386.mediawiki b/bip-0386.mediawiki
index 55f0d156..600d14ea 100644
--- a/bip-0386.mediawiki
+++ b/bip-0386.mediawiki
@@ -101,7 +101,7 @@ Valid descriptors followed by the scripts they produce. Descriptors involving de
 
 Invalid Descriptors
 
-* Uncompressed private key: <tt>tr(5kyzdueo39z3fprtux2qbbwgnnp5ztd7yyr2sc1j299sbcnwjss)</tt>
+* Uncompressed private key: <tt>tr(5KYZdUEo39z3FPrtuX2QbbwGnNP5zTd7yyr2SC1j299sBCnWjss)</tt>
 * Uncompressed public key: <tt>tr(04a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c540c5bd5b8dec5235a0fa8722476c7709c02559e3aa73aa03918ba2d492eea75abea235)</tt>
 * <tt>tr()</tt> nested in <tt>wsh</tt>: <tt>wsh(tr(a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c540c5bd))</tt>
 * <tt>tr()</tt> nested in <tt>sh</tt>: <tt>sh(tr(a34b99f22c790c4e36b2b3c2c35a36db06226e41c692fc82b8b56ac1c540c5bd))</tt>