diff --git a/docs/latex/wx/function.tex b/docs/latex/wx/function.tex
index 8bcd603ee0..41cd0d5c35 100644
--- a/docs/latex/wx/function.tex
+++ b/docs/latex/wx/function.tex
@@ -3476,7 +3476,7 @@ specified {\it condition} is false. The compiler error message should include
 the {\it msg} identifier - please note that it must be a valid C++ identifier
 and not a string unlike in the other cases.
 
-This macro is mostly useful for testing the expressions involing the 
+This macro is mostly useful for testing the expressions involving the 
 {\tt sizeof} operator as they can't be tested by the preprocessor but it is
 sometimes desirable to test them at the compile time.