diff --git a/R/water_samples.R b/R/water_samples.R
index 9ff7d60..50b2fb4 100644
--- a/R/water_samples.R
+++ b/R/water_samples.R
@@ -12,7 +12,7 @@
 #'   \item{T_avg}{Average ambient temperature at the time of the sampling}
 #'   \item{pH}{Acidity/basicity of the sample using the pH value.}
 #'   \item{TOC}{Total organic carbon (TOC) is an analytical parameter representing the concentration of organic carbon in a sample.}
-#'   \item{alkalinity}{Alkalinity of the sample as mg of bicarbonate (HCO3) per liter (mg[HCO3]/L).}
+#'   \item{alkalinity}{Alkalinity of the sample as mg of bicarbonate (HCO3) per liter (mg_HCO3/L).}
 #'   \item{DO}{Dissolved oxygen (DO) levels in environmental water depend on the physiochemical and biochemical activities in water body and it is an important useful in pollution and waste treatment process control.}
 #'   \item{ORP}{Oxidation reduction potential (ORP) in (mV).}
 #'   \item{eH}{Redox potential (eH) in (mV).}
diff --git a/README.Rmd b/README.Rmd
index 0ce54da..17c0f18 100644
--- a/README.Rmd
+++ b/README.Rmd
@@ -175,3 +175,5 @@ citation("grdwtrsmpkwale")
 ```
 
 ## Related References (TBD)
+
+
diff --git a/README.md b/README.md
index a8797d1..201a344 100644
--- a/README.md
+++ b/README.md
@@ -249,7 +249,7 @@ double
 </td>
 <td style="text-align:left;">
 Alkalinity of the sample as mg of bicarbonate (HCO3) per liter
-(mg\[HCO3\]/L).
+(mg_HCO3/L).
 </td>
 <td style="text-align:left;">
 as mg/L HCO3
@@ -2720,7 +2720,7 @@ Data are available as
 
     #> To cite package 'grdwtrsmpkwale' in publications use:
     #> 
-    #>   Zhong M, Loos S (2023). _grdwtrsmpkwale: Groundwater analysis from
+    #>   Zhong M, Loos S (????). _grdwtrsmpkwale: Groundwater analysis from
     #>   2016 in Kwale, Kenya_. R package version 0.0.0.9000,
     #>   <https://github.com/openwashdata/grdwtrsmpkwale>.
     #> 
@@ -2729,7 +2729,6 @@ Data are available as
     #>   @Manual{,
     #>     title = {grdwtrsmpkwale: Groundwater analysis from 2016 in Kwale, Kenya},
     #>     author = {Mian Zhong and Sebastian Camilo Loos},
-    #>     year = {2023},
     #>     note = {R package version 0.0.0.9000},
     #>     url = {https://github.com/openwashdata/grdwtrsmpkwale},
     #>   }
diff --git a/data-raw/data_processing.R b/data-raw/data_processing.R
index 7a44d7f..5fd60ab 100644
--- a/data-raw/data_processing.R
+++ b/data-raw/data_processing.R
@@ -38,7 +38,7 @@ selected_samples_raw <- read_excel(here::here("data-raw", "samples.xlsx"),
                                     sheet = "Selected points sampled weekly",
                                     .name_repair = "unique")
 
-# laod periodic system data
+# load periodic system data
 data(periodicTable)
 periodic_data <- periodicTable |> select(c(numb:name))
 
@@ -61,7 +61,8 @@ samples_march_raw <- samples_march_raw |>
          utm_y = `UTM-Y`,
          date = Data,
          conductivity = Cond.,
-         T_avg = Tª,
+         T_avg = `T<U+00AA>`,
+         # T_avg = Tª,
          delta_O_18 = `d 18O`,
          delta_H_2 = d2H) |>
   rename_with(.cols = c(Localization, Geology, Alkalinity),
@@ -95,7 +96,8 @@ samples_june_raw <- samples_june_raw |>
          utm_y = `UTM-Y`,
          date = Data,
          conductivity = Cond.,
-         T_avg = Tª,
+         T_avg = `T<U+00AA>`,
+         # T_avg = Tª,
          delta_O_18 = `d 18O`,
          delta_H_2 = d2H) |>
   rename_with(.cols = c(Localization, Geology, Alkalinity),
diff --git a/data-raw/dictionary.csv b/data-raw/dictionary.csv
index fd5e4f9..e3d372f 100644
--- a/data-raw/dictionary.csv
+++ b/data-raw/dictionary.csv
@@ -8,7 +8,7 @@ data/,water_samples.rda,conductivity,double,Conductivity of the sample in (µS/c
 data/,water_samples.rda,T_avg,double,Average ambient temperature at the time of the sampling,°C,NA
 data/,water_samples.rda,pH,double,Acidity/basicity of the sample using the pH value.,NA,NA
 data/,water_samples.rda,TOC,double,Total organic carbon (TOC) is an analytical parameter representing the concentration of organic carbon in a sample.,(mg/L),NA
-data/,water_samples.rda,alkalinity,double,Alkalinity of the sample as mg of bicarbonate (HCO3) per liter (mg[HCO3]/L).,as mg/L HCO3,NA
+data/,water_samples.rda,alkalinity,double,Alkalinity of the sample as mg of bicarbonate (HCO3) per liter (mg_HCO3/L).,as mg/L HCO3,NA
 data/,water_samples.rda,DO,double,Dissolved oxygen (DO) levels in environmental water depend on the physiochemical and biochemical activities in water body and it is an important useful in pollution and waste treatment process control.,(mg/L),NA
 data/,water_samples.rda,ORP,double,Oxidation reduction potential (ORP) in (mV).,mV,NA
 data/,water_samples.rda,eH,double,Redox potential (eH) in (mV).,mV,NA
diff --git a/data-raw/dictionary.xlsx b/data-raw/dictionary.xlsx
deleted file mode 100644
index 63a13d1..0000000
Binary files a/data-raw/dictionary.xlsx and /dev/null differ
diff --git a/data-raw/samples.xlsx b/data-raw/samples.xlsx
index 8730240..bfef232 100644
Binary files a/data-raw/samples.xlsx and b/data-raw/samples.xlsx differ
diff --git a/inst/extdata/selected_samples.xlsx b/inst/extdata/selected_samples.xlsx
index 39a2c81..05e231a 100644
Binary files a/inst/extdata/selected_samples.xlsx and b/inst/extdata/selected_samples.xlsx differ
diff --git a/inst/extdata/water_samples.xlsx b/inst/extdata/water_samples.xlsx
index daa5440..2c656c2 100644
Binary files a/inst/extdata/water_samples.xlsx and b/inst/extdata/water_samples.xlsx differ
diff --git a/man/water_samples.Rd b/man/water_samples.Rd
index 9328519..6f8e16c 100644
--- a/man/water_samples.Rd
+++ b/man/water_samples.Rd
@@ -17,7 +17,7 @@ A tibble with 157 rows and 80 variables
 \item{T_avg}{Average ambient temperature at the time of the sampling}
 \item{pH}{Acidity/basicity of the sample using the pH value.}
 \item{TOC}{Total organic carbon (TOC) is an analytical parameter representing the concentration of organic carbon in a sample.}
-\item{alkalinity}{Alkalinity of the sample as mg of bicarbonate (HCO3) per liter (mg\link{HCO3}/L).}
+\item{alkalinity}{Alkalinity of the sample as mg of bicarbonate (HCO3) per liter (mg_HCO3/L).}
 \item{DO}{Dissolved oxygen (DO) levels in environmental water depend on the physiochemical and biochemical activities in water body and it is an important useful in pollution and waste treatment process control.}
 \item{ORP}{Oxidation reduction potential (ORP) in (mV).}
 \item{eH}{Redox potential (eH) in (mV).}