diff --git a/DESCRIPTION b/DESCRIPTION
index ece9cca68889ec0237b87552295d3433b1a31b50..dcd95b110c5e1d222b5af401cd3488f9a849db3c 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -30,22 +30,19 @@ Collate:
     'mortalityTable.period.R'
     'mortalityTable.ageShift.R'
     'ageShift.R'
-    'fillAges.R'
-    'mortalityTable.mixed.R'
-    'mortalityTable.improvementFactors.R'
-    'mortalityTable.trendProjection.R'
-    'deathProbabilities.R'
-    'periodDeathProbabilities.R'
     'mortalityTable.joined.R'
-    'getOmega.R'
-    'pensionTable.R'
-    'utilityFunctions.R'
-    'mortalityTable.observed.R'
+    'mortalityTable.mixed.R'
     'ages.R'
     'baseTable.R'
     'baseYear.R'
+    'fillAges.R'
+    'pensionTable.R'
     'commutationNumbers.R'
+    'mortalityTable.improvementFactors.R'
+    'mortalityTable.trendProjection.R'
+    'deathProbabilities.R'
     'getCohortTable.R'
+    'getOmega.R'
     'getPeriodTable.R'
     'lifeTable.R'
     'makeQxDataFrame.R'
@@ -54,7 +51,10 @@ Collate:
     'mortalityTable.MakehamGompertz.R'
     'mortalityTable.Weibull.R'
     'mortalityTable.deMoivre.R'
+    'periodDeathProbabilities.R'
     'mortalityTable.jointLives.R'
+    'utilityFunctions.R'
+    'mortalityTable.observed.R'
     'mortalityTables.list.R'
     'mortalityTables.load.R'
     'plot.mortalityTable.R'
diff --git a/R/ages.R b/R/ages.R
index e20489df55b7c8016bac6ceb6584136f3d86b100..a561e33c00da229891f907376e653a8b4ebe10b9 100644
--- a/R/ages.R
+++ b/R/ages.R
@@ -1,4 +1,4 @@
-#' @include mortalityTable.period.R mortalityTable.mixed.R mortalityTable.joined.R mortalityTable.observed.R
+#' @include mortalityTable.period.R mortalityTable.mixed.R mortalityTable.joined.R
 NULL
 
 #' Return the defined ages of the life table
@@ -34,9 +34,3 @@ setMethod("ages", "mortalityTable.mixed",
 #               ages(object@table1);
 #           })
 
-# #' @describeIn ages Return the defined ages of the observed life table
-# setMethod("ages", "mortalityTable.observed",
-#           function(object, ...) {
-#               object@ages;
-#           })
-
diff --git a/R/getOmega.R b/R/getOmega.R
index 411f0710165d6b6f07c29bc726d5550388c5e76d..f5577a8d805cbd2035d576534ce75929ae1deaf8 100644
--- a/R/getOmega.R
+++ b/R/getOmega.R
@@ -1,4 +1,4 @@
-#' @include mortalityTable.R mortalityTable.period.R mortalityTable.mixed.R mortalityTable.joined.R mortalityTable.observed.R
+#' @include mortalityTable.R mortalityTable.period.R mortalityTable.mixed.R mortalityTable.joined.R
 NULL
 
 #' Return the maximum age of the life table
diff --git a/R/mortalityTable.observed.R b/R/mortalityTable.observed.R
index 2d68f1194ab30bdead3698f000b776cec9afbda7..904b5ad0b01d2751e07187f6a9a76a352aacba93 100644
--- a/R/mortalityTable.observed.R
+++ b/R/mortalityTable.observed.R
@@ -1,4 +1,4 @@
-#' @include mortalityTable.R utilityFunctions.R getOmega.R periodDeathProbabilities.R deathProbabilities.R ages.R
+#' @include mortalityTable.R utilityFunctions.R ages.R getOmega.R periodDeathProbabilities.R deathProbabilities.R
 NULL
 
 #' Class mortalityTable.observed - Life table from actual observations
@@ -27,12 +27,13 @@ mortalityTable.observed = setClass(
  contains = "mortalityTable"
 )
 
-#' @describeIn ages Return the ages of the life table
+#' @describeIn ages Return the defined ages of the observed life table
 setMethod("ages", "mortalityTable.observed",
-          function(object) {
-              object@ages
+          function(object, ...) {
+              object@ages;
           })
 
+
 #' @describeIn getOmega Return the maximum age of the life table
 setMethod("getOmega", "mortalityTable.observed",
           function(object) {
diff --git a/man/ages.Rd b/man/ages.Rd
index 822dfd20c02c716805bffe44eee61583ff7bcb62..ecd8b977f7cb35b0892cfbd5e9aa327db32ab143 100644
--- a/man/ages.Rd
+++ b/man/ages.Rd
@@ -1,11 +1,13 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/ages.R, R/mortalityTable.jointLives.R
+% Please edit documentation in R/ages.R, R/mortalityTable.jointLives.R,
+%   R/mortalityTable.observed.R
 \docType{methods}
 \name{ages}
 \alias{ages}
 \alias{ages,mortalityTable.period-method}
 \alias{ages,mortalityTable.mixed-method}
 \alias{ages,mortalityTable.jointLives-method}
+\alias{ages,mortalityTable.observed-method}
 \title{Return the defined ages of the life table}
 \usage{
 ages(object, ...)
@@ -15,6 +17,8 @@ ages(object, ...)
 \S4method{ages}{mortalityTable.mixed}(object, ...)
 
 \S4method{ages}{mortalityTable.jointLives}(object, ...)
+
+\S4method{ages}{mortalityTable.observed}(object, ...)
 }
 \arguments{
 \item{object}{A life table object (instance of a \code{\linkS4class{mortalityTable}} class)}
@@ -31,6 +35,8 @@ Return the defined ages of the life table
 \item \code{mortalityTable.mixed}: Return the defined ages of the mixed life table
 
 \item \code{mortalityTable.jointLives}: Return the defined ages of the joint lives mortality table (returns the ages of the first table used for joint lives)
+
+\item \code{mortalityTable.observed}: Return the defined ages of the observed life table
 }}
 
 \examples{
diff --git a/man/deathProbabilities.Rd b/man/deathProbabilities.Rd
index 801627df352504703cddf8cd2c6f26b83b64d340..6f5e0a8e63031f54167b69555efa7e88e622ad61 100644
--- a/man/deathProbabilities.Rd
+++ b/man/deathProbabilities.Rd
@@ -1,6 +1,6 @@
 % Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/deathProbabilities.R,
-%   R/mortalityTable.observed.R, R/mortalityTable.jointLives.R
+%   R/mortalityTable.jointLives.R, R/mortalityTable.observed.R
 \docType{methods}
 \name{deathProbabilities}
 \alias{deathProbabilities}
@@ -9,8 +9,8 @@
 \alias{deathProbabilities,mortalityTable.trendProjection-method}
 \alias{deathProbabilities,mortalityTable.improvementFactors-method}
 \alias{deathProbabilities,mortalityTable.mixed-method}
-\alias{deathProbabilities,mortalityTable.observed-method}
 \alias{deathProbabilities,mortalityTable.jointLives-method}
+\alias{deathProbabilities,mortalityTable.observed-method}
 \title{Return the (cohort) death probabilities of the life table given the birth year (if needed)}
 \usage{
 deathProbabilities(object, ..., ages = NULL, YOB = 1975)
@@ -30,11 +30,11 @@ deathProbabilities(object, ..., ages = NULL, YOB = 1975)
 \S4method{deathProbabilities}{mortalityTable.mixed}(object, ...,
   ages = NULL, YOB = 1975)
 
-\S4method{deathProbabilities}{mortalityTable.observed}(object, ...,
-  ages = NULL, YOB = 1975)
-
 \S4method{deathProbabilities}{mortalityTable.jointLives}(object, ...,
   ageDifferences = c(), ages = NULL, YOB = 1975)
+
+\S4method{deathProbabilities}{mortalityTable.observed}(object, ...,
+  ages = NULL, YOB = 1975)
 }
 \arguments{
 \item{object}{The life table object (class inherited from mortalityTable)}
@@ -67,10 +67,10 @@ life table given the birth year (if needed)
 \item \code{mortalityTable.mixed}: Return the (cohort) death probabilities of the
 life table given the birth year (if needed)
 
-\item \code{mortalityTable.observed}: Return the (cohort) death probabilities of the
+\item \code{mortalityTable.jointLives}: Return the (cohort) death probabilities of the
 life table given the birth year (if needed)
 
-\item \code{mortalityTable.jointLives}: Return the (cohort) death probabilities of the
+\item \code{mortalityTable.observed}: Return the (cohort) death probabilities of the
 life table given the birth year (if needed)
 }}
 
diff --git a/man/getOmega.Rd b/man/getOmega.Rd
index 72b9ccb09a93a03762510ee325bb2d55f6433427..5bce498a36cce7232ff7d525959aac87d2125107 100644
--- a/man/getOmega.Rd
+++ b/man/getOmega.Rd
@@ -1,13 +1,13 @@
 % Generated by roxygen2: do not edit by hand
-% Please edit documentation in R/getOmega.R, R/mortalityTable.observed.R,
-%   R/mortalityTable.jointLives.R
+% Please edit documentation in R/getOmega.R, R/mortalityTable.jointLives.R,
+%   R/mortalityTable.observed.R
 \docType{methods}
 \name{getOmega}
 \alias{getOmega}
 \alias{getOmega,mortalityTable.period-method}
 \alias{getOmega,mortalityTable.mixed-method}
-\alias{getOmega,mortalityTable.observed-method}
 \alias{getOmega,mortalityTable.jointLives-method}
+\alias{getOmega,mortalityTable.observed-method}
 \title{Return the maximum age of the life table}
 \usage{
 getOmega(object)
@@ -16,9 +16,9 @@ getOmega(object)
 
 \S4method{getOmega}{mortalityTable.mixed}(object)
 
-\S4method{getOmega}{mortalityTable.observed}(object)
-
 \S4method{getOmega}{mortalityTable.jointLives}(object)
+
+\S4method{getOmega}{mortalityTable.observed}(object)
 }
 \arguments{
 \item{object}{A life table object (instance of a \code{mortalityTable} class)}
@@ -32,9 +32,9 @@ Return the maximum age of the life table
 
 \item \code{mortalityTable.mixed}: Return the maximum age of the mixed life table
 
-\item \code{mortalityTable.observed}: Return the maximum age of the period life table
-
 \item \code{mortalityTable.jointLives}: Return the maximum age of the joint lives mortality table (returns the maximum age of the first table used for joint lives, as the ages of the joint lives are now known to the function)
+
+\item \code{mortalityTable.observed}: Return the maximum age of the life table
 }}
 
 \examples{
diff --git a/man/periodDeathProbabilities.Rd b/man/periodDeathProbabilities.Rd
index 4d5d1d37bf7f1cd10142050f33db5e676b250404..d951b9522d408f22acbf023f1bb70bdaf2e40593 100644
--- a/man/periodDeathProbabilities.Rd
+++ b/man/periodDeathProbabilities.Rd
@@ -1,6 +1,6 @@
 % Generated by roxygen2: do not edit by hand
 % Please edit documentation in R/periodDeathProbabilities.R,
-%   R/mortalityTable.observed.R, R/mortalityTable.jointLives.R
+%   R/mortalityTable.jointLives.R, R/mortalityTable.observed.R
 \docType{methods}
 \name{periodDeathProbabilities}
 \alias{periodDeathProbabilities}
@@ -9,8 +9,8 @@
 \alias{periodDeathProbabilities,mortalityTable.trendProjection-method}
 \alias{periodDeathProbabilities,mortalityTable.improvementFactors-method}
 \alias{periodDeathProbabilities,mortalityTable.mixed-method}
-\alias{periodDeathProbabilities,mortalityTable.observed-method}
 \alias{periodDeathProbabilities,mortalityTable.jointLives-method}
+\alias{periodDeathProbabilities,mortalityTable.observed-method}
 \title{Return the (period) death probabilities of the life table for a given
 observation year}
 \usage{
@@ -33,11 +33,11 @@ periodDeathProbabilities(object, ..., ages = NULL, Period = 1975)
 \S4method{periodDeathProbabilities}{mortalityTable.mixed}(object, ...,
   ages = NULL, Period = 1975)
 
-\S4method{periodDeathProbabilities}{mortalityTable.observed}(object, ...,
-  ages = NULL, Period = 1975)
-
 \S4method{periodDeathProbabilities}{mortalityTable.jointLives}(object, ...,
   ageDifferences = c(), ages = NULL, Period = 1975)
+
+\S4method{periodDeathProbabilities}{mortalityTable.observed}(object, ...,
+  ages = NULL, Period = 1975)
 }
 \arguments{
 \item{object}{The life table object (class inherited from mortalityTable)}
@@ -71,14 +71,14 @@ of the life table for a given observation year
 \item \code{mortalityTable.mixed}: Return the (period) death probabilities
 of the life table for a given observation year
 
+\item \code{mortalityTable.jointLives}: Return the (period) death probabilities
+of the joint lives mortality table for a given observation year
+
 \item \code{mortalityTable.observed}: Return the (period) death probabilities
 of the life table for a given observation year
 If the observed mortality table does not provide data
 for the desired period, the period closest to the
 `Period` argument will be used and a warning printed.
-
-\item \code{mortalityTable.jointLives}: Return the (period) death probabilities
-of the joint lives mortality table for a given observation year
 }}
 
 \examples{