diff --git a/csug/system.stex b/csug/system.stex
index 22b572005b..677ff17903 100644
--- a/csug/system.stex
+++ b/csug/system.stex
@@ -1835,7 +1835,7 @@ If instead this file were compiled, using \scheme{compile-file}, the
 compiler would arrange to define \scheme{mvlet} before continuing
 with the expansion and evaluation of the \scheme{mvlet} expression,
 but it would not arrange to define \scheme{nodups?}.
-Thus the expansion of the \scheme{mvlet} expression would fails.
+Thus the expansion of the \scheme{mvlet} expression would fail.
 
 In this case it does not help to evaluate the syntactic extension alone.
 A solution in this case would be to move the definition of
diff --git a/csug/use.stex b/csug/use.stex
index f82066ce07..c6a45bdb1c 100644
--- a/csug/use.stex
+++ b/csug/use.stex
@@ -1757,7 +1757,7 @@ parameter (Section~\ref{SECTUSEINTERACTION}).
 
 Most of the options are described elsewhere in this chapter, and a few
 are self-explanatory.
-The remainder pertain the loading of boot files at system start-up
+The remainder pertain to the loading of boot files at system start-up
 time and are described below.
 
 \index{boot files}%