diff --git a/CppCoreGuidelines.md b/CppCoreGuidelines.md
index 04adef1..139a115 100644
--- a/CppCoreGuidelines.md
+++ b/CppCoreGuidelines.md
@@ -6983,7 +6983,7 @@ Factoring out `Utility` makes sense if many derived classes share significant "i
 Obviously, the example is too "theoretical", but it is hard to find a *small* realistic example.
 `Interface` is the root of an [interface hierarchy](#Rh-abstract)
 and `Utility` is the root of an [implementation hierarchy](Rh-kind).
-Here is [a slightly more realistic example](https://www.quora.com/What-are-the-uses-and-advantages-of-virtual-base-class-in-C%2B%2B/answer/Lance-Diduck?srid=tzNb) with an explanation.
+Here is [a slightly more realistic example](https://www.quora.com/What-are-the-uses-and-advantages-of-virtual-base-class-in-C%2B%2B/answer/Lance-Diduck) with an explanation.
 
 ##### Note
 
@@ -20595,7 +20595,7 @@ In particular, an object of a regular type can be copied and the result of a cop
 * *rounding*: conversion of a value to the mathematically nearest value of a less precise type.
 * *RTTI*: Run-Time Type Information. ???
 * *scope*: the region of program text (source code) in which a name can be referred to.
-* *semiregular*: a type that behaves roughtly like an built-in type like `int`, but possibly without a `==` operator. See also *regular type*.
+* *semiregular*: a type that behaves roughly like an built-in type like `int`, but possibly without a `==` operator. See also *regular type*.
 * *sequence*: elements that can be visited in a linear order.
 * *software*: a collection of pieces of code and associated data; often used interchangeably with program.
 * *source code*: code as produced by a programmer and (in principle) readable by other programmers.
diff --git a/scripts/hunspell/isocpp.dic b/scripts/hunspell/isocpp.dic
index 30f5aa9..d8a2828 100644
--- a/scripts/hunspell/isocpp.dic
+++ b/scripts/hunspell/isocpp.dic
@@ -439,6 +439,7 @@ Sarkar
 scanf
 Sd
 SEI
+semiregular
 Semiregular
 SemiRegular
 Sergey