diff --git a/R/legTools.R b/R/legTools.R
index 07af2afde483bbff7dc4793e17b92d7ca8bf5b5d..bd4334fb523f73e1151fe618286230d1b44592e2 100644
--- a/R/legTools.R
+++ b/R/legTools.R
@@ -19,8 +19,9 @@ NULL
 #' from the beggining to the end of the experiment.
 #'
 #' \itemize{
-#'     \item ft feeding type, a categorical factor with 4 levels.
-#'     \item wg weight gain (kg).
+#'     \item \code{ft} feeding type, a categorical factor with 4
+#'     levels.
+#'     \item \code{wg} weight gain (kg).
 #' }
 #'
 #' @docType data
@@ -55,9 +56,10 @@ NULL
 #' was recorded in each experimental unit.
 #'
 #' \itemize{
-#'     \item block a categorical unordered factor with 4 levels.
-#'     \item variety a categorical unordered factor with 8 levels.
-#'     \item yield potato yield (t/ha).
+#'     \item \code{block} a categorical unordered factor with 4 levels.
+#'     \item \code{variety} a categorical unordered factor with 8
+#'     levels.
+#'     \item \code{yield} potato yield (t/ha).
 #' }
 #'
 #' @docType data
@@ -95,9 +97,9 @@ NULL
 #' level in each block.
 #'
 #' \itemize{
-#'     \item block a categorical unordered factor with 6 levels.
-#'     \item plow a categorical unordered factor with 2 levels.
-#'     \item yield corn yield (kg in 200 m\eqn{^2} of area).
+#'     \item \code{block} a categorical unordered factor with 6 levels.
+#'     \item \code{plow} a categorical unordered factor with 2 levels.
+#'     \item \code{yield} corn yield (kg in 200 m\eqn{^2} of area).
 #' }
 #'
 #' @docType data
diff --git a/man/plowing.Rd b/man/plowing.Rd
index 2853716e903cb3cb661b16efea5a05cdec862f05..22c538f000d245fd2f1f2f66ccd181754ad500eb 100644
--- a/man/plowing.Rd
+++ b/man/plowing.Rd
@@ -22,9 +22,9 @@ but in this experiment there was 2 experimental units for each factor
 level in each block.
 
 \itemize{
-    \item block a categorical unordered factor with 6 levels.
-    \item plow a categorical unordered factor with 2 levels.
-    \item yield corn yield (kg in 200 m\eqn{^2} of area).
+    \item \code{block} a categorical unordered factor with 6 levels.
+    \item \code{plow} a categorical unordered factor with 2 levels.
+    \item \code{yield} corn yield (kg in 200 m\eqn{^2} of area).
 }
 }
 \examples{
diff --git a/man/potatoyield.Rd b/man/potatoyield.Rd
index 4137e2fad92b5a3c8f26943966cd565f43c1bc59..aa78816a35cf785dcff08dda991b24da3e8a1d91 100644
--- a/man/potatoyield.Rd
+++ b/man/potatoyield.Rd
@@ -19,9 +19,10 @@ randomized complete block design with 4 blocks. Potato yield (t/ha)
 was recorded in each experimental unit.
 
 \itemize{
-    \item block a categorical unordered factor with 4 levels.
-    \item variety a categorical unordered factor with 8 levels.
-    \item yield potato yield (t/ha).
+    \item \code{block} a categorical unordered factor with 4 levels.
+    \item \code{variety} a categorical unordered factor with 8
+    levels.
+    \item \code{yield} potato yield (t/ha).
 }
 }
 \examples{
diff --git a/man/wgpigs.Rd b/man/wgpigs.Rd
index afe00d31be83e4671ac0b9233010c5c202e90432..67eebec51c8437acda3321ec8541163b2985092d 100644
--- a/man/wgpigs.Rd
+++ b/man/wgpigs.Rd
@@ -21,8 +21,9 @@ experimental unit was a pig. The response measured was weight gain
 from the beggining to the end of the experiment.
 
 \itemize{
-    \item ft feeding type, a categorical factor with 4 levels.
-    \item wg weight gain (kg).
+    \item \code{ft} feeding type, a categorical factor with 4
+    levels.
+    \item \code{wg} weight gain (kg).
 }
 }
 \examples{