diff --git a/doc/manual/advanced-topics/cores-vs-jobs.xml b/doc/manual/advanced-topics/cores-vs-jobs.xml
index eba645faf..4d58ac7c5 100644
--- a/doc/manual/advanced-topics/cores-vs-jobs.xml
+++ b/doc/manual/advanced-topics/cores-vs-jobs.xml
@@ -36,8 +36,8 @@ to , unless
equals 0, in which case NIX_BUILD_CORES
will be the total number of cores in the system.
-The total number of consumed cores is a simple multiplication,
- * NIX_BUILD_CORES.
+The maximum number of consumed cores is a simple multiplication,
+ * NIX_BUILD_CORES.
The balance on how to set these two independent variables depends
upon each builder's workload and hardware. Here are a few example