diff --git a/docs/glossary.md b/docs/glossary.md
index 0bed46c..027b5c6 100644
--- a/docs/glossary.md
+++ b/docs/glossary.md
@@ -20,7 +20,7 @@ their mutation strategies to process these tokens together.
 
 ## Fuzz Target
 Or **Target Function**, or **Fuzzing Target Function**, or **Fuzzing Entry Point**.<BR>
-A function to which we apply fuzzing. A [specific signature](http://libfuzzer.info#fuzz-target) is required for OSS-Fuzz.
+A function to which we apply fuzzing. A [specific signature](https://www.llvm.org/docs/LibFuzzer.html#fuzz-target) is required for OSS-Fuzz.
 Examples: [openssl](https://github.com/openssl/openssl/blob/master/fuzz/x509.c),
 [re2](https://github.com/google/re2/blob/master/re2/fuzzing/re2_fuzzer.cc),
 [SQLite](https://www.sqlite.org/src/artifact/ad79e867fb504338).
@@ -39,7 +39,7 @@ In [OSS-Fuzz](https://google.github.io/oss-fuzz/), it is also known as a [job ty
 
 ## Fuzzing Engine
 A tool that tries to find interesting inputs for a [fuzz target](#fuzz-target) by executing it.
-Examples: [libFuzzer](http://libfuzzer.info),
+Examples: [libFuzzer](https://www.llvm.org/docs/LibFuzzer.html),
 [AFL](lcamtuf.coredump.cx/afl/),
 [honggfuzz](https://github.com/google/honggfuzz), etc.
 
@@ -58,12 +58,12 @@ by a fuzz target.
 ## [Sanitizer](https://github.com/google/sanitizers)
 A [dynamic testing](https://en.wikipedia.org/wiki/Dynamic_testing) tool that can detect bugs during program execution.
 Examples:
-[ASan](http://clang.llvm.org/docs/AddressSanitizer.html),
-[DFSan](http://clang.llvm.org/docs/DataFlowSanitizer.html),
-[LSan](http://clang.llvm.org/docs/LeakSanitizer.html),
-[MSan](http://clang.llvm.org/docs/MemorySanitizer.html),
-[TSan](http://clang.llvm.org/docs/ThreadSanitizer.html),
-[UBSan](http://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html).
+[ASan](https://clang.llvm.org/docs/AddressSanitizer.html),
+[DFSan](https://clang.llvm.org/docs/DataFlowSanitizer.html),
+[LSan](https://clang.llvm.org/docs/LeakSanitizer.html),
+[MSan](https://clang.llvm.org/docs/MemorySanitizer.html),
+[TSan](https://clang.llvm.org/docs/ThreadSanitizer.html),
+[UBSan](https://clang.llvm.org/docs/UndefinedBehaviorSanitizer.html).
 
 ## Seed Corpus
 A small initial [corpus](#corpus) prepared with the intent of providing initial
@@ -76,7 +76,7 @@ targets](#fuzz-target).
 A tool that generates testcases from scratch according to some rules or grammar.
 Examples:
 [csmith](https://embed.cs.utah.edu/csmith/) (a test generator for C language),
-[cross_fuzz](http://lcamtuf.coredump.cx/cross_fuzz/) (a cross-document DOM binding test generator).
+[cross_fuzz](https://lcamtuf.coredump.cx/cross_fuzz/) (a cross-document DOM binding test generator).
 
 ## Test Input
 A sequence of bytes that is used as input to a [fuzz target](#fuzz-target).