diff --git a/docs/latex/wx/boxsizer.tex b/docs/latex/wx/boxsizer.tex
index 239eb9d0a1..08de2b2152 100644
--- a/docs/latex/wx/boxsizer.tex
+++ b/docs/latex/wx/boxsizer.tex
@@ -10,6 +10,10 @@ For more information, please see \helpref{Programming with wxBoxSizer}{boxsizerp
 \helpref{wxSizer}{wxsizer}\\
 \helpref{wxObject}{wxobject}
 
+\wxheading{Include files}
+
+<wx/sizer.h>
+
 \wxheading{See also}
 
 \helpref{wxSizer}{wxsizer}, \helpref{Sizer overview}{sizeroverview}
diff --git a/docs/latex/wx/flexsizr.tex b/docs/latex/wx/flexsizr.tex
index d150427915..8de85ab2a8 100644
--- a/docs/latex/wx/flexsizr.tex
+++ b/docs/latex/wx/flexsizr.tex
@@ -21,6 +21,10 @@ serves this purpose.
 \helpref{wxSizer}{wxsizer}\\
 \helpref{wxObject}{wxobject}
 
+\wxheading{Include files}
+
+<wx/sizer.h>
+
 \wxheading{See also}
 
 \helpref{wxSizer}{wxsizer}, \helpref{Sizer overview}{sizeroverview}
diff --git a/docs/latex/wx/gridsizr.tex b/docs/latex/wx/gridsizr.tex
index 70005bbee9..a176297d2f 100644
--- a/docs/latex/wx/gridsizr.tex
+++ b/docs/latex/wx/gridsizr.tex
@@ -10,6 +10,10 @@ the height of each field is the height of the tallest child.
 \helpref{wxSizer}{wxsizer}\\
 \helpref{wxObject}{wxobject}
 
+\wxheading{Include files}
+
+<wx/sizer.h>
+
 \wxheading{See also}
 
 \helpref{wxSizer}{wxsizer}, \helpref{Sizer overview}{sizeroverview}
diff --git a/docs/latex/wx/nbsizer.tex b/docs/latex/wx/nbsizer.tex
index d1712c2e7a..6450f8dba5 100644
--- a/docs/latex/wx/nbsizer.tex
+++ b/docs/latex/wx/nbsizer.tex
@@ -17,6 +17,10 @@ sizer.
 \helpref{wxSizer}{wxsizer}\\
 \helpref{wxObject}{wxobject}
 
+\wxheading{Include files}
+
+<wx/sizer.h>
+
 \wxheading{See also}
 
 \helpref{wxSizer}{wxsizer}, \helpref{wxNotebook}{wxnotebook}, \helpref{Sizer overview}{sizeroverview}
diff --git a/docs/latex/wx/sbsizer.tex b/docs/latex/wx/sbsizer.tex
index 37849082fc..06cbc0017b 100644
--- a/docs/latex/wx/sbsizer.tex
+++ b/docs/latex/wx/sbsizer.tex
@@ -10,6 +10,10 @@ separately.
 \helpref{wxSizer}{wxsizer}\\
 \helpref{wxObject}{wxobject}
 
+\wxheading{Include files}
+
+<wx/sizer.h>
+
 \wxheading{See also}
 
 \helpref{wxSizer}{wxsizer}, \helpref{wxStaticBox}{wxstaticbox}, \helpref{wxBoxSizer}{wxboxsizer}, \helpref{Sizer overview}{sizeroverview}
diff --git a/docs/latex/wx/sizer.tex b/docs/latex/wx/sizer.tex
index 77515c4697..cc834ce3bc 100644
--- a/docs/latex/wx/sizer.tex
+++ b/docs/latex/wx/sizer.tex
@@ -34,6 +34,10 @@ capabilities for the various virtual methods.}
 \helpref{wxObject}{wxobject}\\
 \helpref{wxClientDataContainer}{wxclientdatacontainer}
 
+\wxheading{Include files}
+
+<wx/sizer.h>
+
 \wxheading{See also}
 
 \helpref{Sizer overview}{sizeroverview}