diff --git a/src/doc/unstable-book/src/compiler-flags/sanitizer.md b/src/doc/unstable-book/src/compiler-flags/sanitizer.md
index 3a40cb9a6c2d0..523617eb3e15f 100644
--- a/src/doc/unstable-book/src/compiler-flags/sanitizer.md
+++ b/src/doc/unstable-book/src/compiler-flags/sanitizer.md
@@ -25,7 +25,7 @@ This feature allows for use of one of following sanitizers:
   * [LeakSanitizer](#leaksanitizer) a run-time memory leak detector.
   * [MemorySanitizer](#memorysanitizer) a detector of uninitialized reads.
   * [ThreadSanitizer](#threadsanitizer) a fast data race detector.
-  
+
 * Those that apart from testing, may be used in production:
   * [ControlFlowIntegrity](#controlflowintegrity) LLVM Control Flow Integrity
     (CFI) provides forward-edge control flow protection.