diff --git a/doc/ConfigWidg.3 b/doc/ConfigWidg.3
index 61c49e823..8a4aa5665 100644
--- a/doc/ConfigWidg.3
+++ b/doc/ConfigWidg.3
@@ -108,7 +108,7 @@ typedef struct {
     const char *\fIdbName\fR;
     const char *\fIdbClass\fR;
     const char *\fIdefValue\fR;
-    size_t \fIoffset\fR;
+    Tcl_Size \fIoffset\fR;
     int \fIspecFlags\fR;
     const Tk_CustomOption *\fIcustomPtr\fR;
 } \fBTk_ConfigSpec\fR;
@@ -562,7 +562,7 @@ typedef int \fBTk_OptionParseProc\fR(
         void *\fIclientData\fR,
         Tcl_Interp *\fIinterp\fR,
         Tk_Window \fItkwin\fR,
-        char *\fIvalue\fR,
+        const char *\fIvalue\fR,
         char *\fIwidgRec\fR,
         Tcl_Size \fIoffset\fR);
 
diff --git a/doc/CrtItemType.3 b/doc/CrtItemType.3
index 3fb2d9f85..a0199720d 100644
--- a/doc/CrtItemType.3
+++ b/doc/CrtItemType.3
@@ -66,7 +66,7 @@ the standard procedures implemented by the type manager:
 .CS
 typedef struct Tk_ItemType {
     const char *\fIname\fR;
-    size_t \fIitemSize\fR;
+    Tcl_Size \fIitemSize\fR;
     Tk_ItemCreateProc *\fIcreateProc\fR;
     const Tk_ConfigSpec *\fIconfigSpecs\fR;
     Tk_ItemConfigureProc *\fIconfigProc\fR;
diff --git a/doc/EventHndlr.3 b/doc/EventHndlr.3
index 4e3c9d9bf..45658f76f 100644
--- a/doc/EventHndlr.3
+++ b/doc/EventHndlr.3
@@ -29,7 +29,7 @@ Button number.
 .AP "const char" *eventName in
 The name of the virtual event.
 .AP Tcl_Obj *detail in
-Detail information for the virtual event.
+Detail information for the virtual event. May be NULL.
 .AP Tk_Window tkwin in
 Token for window in which events may occur.
 .AP "unsigned long" mask in
diff --git a/doc/SetClassProcs.3 b/doc/SetClassProcs.3
index c0a702f06..5f159125a 100644
--- a/doc/SetClassProcs.3
+++ b/doc/SetClassProcs.3
@@ -34,7 +34,7 @@ are used as callbacks in different places.
 The structure pointed to by \fIprocs\fR contains the following:
 .CS
 typedef struct {
-    size_t \fIsize\fR;
+    Tcl_Size \fIsize\fR;
     Tk_ClassWorldChangedProc *\fIworldChangedProc\fR;
     Tk_ClassCreateProc *\fIcreateProc\fR;
     Tk_ClassModalProc *\fImodalProc\fR;
diff --git a/doc/SetOptions.3 b/doc/SetOptions.3
index 2dc9450ae..d0c6c0693 100644
--- a/doc/SetOptions.3
+++ b/doc/SetOptions.3
@@ -250,8 +250,8 @@ typedef struct {
     const char *\fIdbName\fR;
     const char *\fIdbClass\fR;
     const char *\fIdefValue\fR;
-    size_t \fIobjOffset\fR;
-    size_t \fIinternalOffset\fR;
+    Tcl_Size \fIobjOffset\fR;
+    Tcl_Size \fIinternalOffset\fR;
     int \fIflags\fR;
     const void *\fIclientData\fR;
     int \fItypeMask\fR;