diff --git a/manual/manual.tex b/manual/manual.tex
index 67982cbc8..75f087eca 100644
--- a/manual/manual.tex
+++ b/manual/manual.tex
@@ -146,7 +146,7 @@ with the help of HDL synthesis tools.
 
 In special cases such as synthesis for coarse-grain cell libraries or when
 testing new synthesis algorithms it might be necessary to write a custom HDL
-synthesis tool or add new features to an existing one. It this cases the
+synthesis tool or add new features to an existing one. In these cases the
 availability of a Free and Open Source (FOSS) synthesis tool that can be used
 as basis for custom tools would be helpful.