diff --git a/ch10.asciidoc b/ch10.asciidoc
index 7a31359e..894f16f8 100644
--- a/ch10.asciidoc
+++ b/ch10.asciidoc
@@ -626,7 +626,7 @@ which in decimal is:
 ++++
 <ul class="simplelist">
   <li>=> target = 238,348 * 2<sup>176</sup></li>
-  <li>=> target = 22,829,202,948,393,929,850,749,706,076,701,368,331,072,452,018,388,575,715,328</li>
+  <li>=> target = 22,829,202,948,393,929,850,749,706,076,701,368,331,072,452,018,388,&#x200b;575,715,328</li>
 </ul>
 ++++
 
@@ -634,7 +634,7 @@ switching back to hexadecimal:
 
 ++++
 <ul class="simplelist">
-  <li>=> target = 0x0000000000000003A30C00000000000000000000000000000000000000000000</li>
+  <li>=> target = 0x0000000000000003A30C000000000000000000000000&#x200b;00000000000000000000</li>
 </ul>
 ++++