diff --git a/DESCRIPTION b/DESCRIPTION
index f387dddc..29d19eac 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,5 +1,5 @@
 Package: AMR
-Version: 1.8.2.9104
+Version: 1.8.2.9105
 Date: 2023-01-30
 Title: Antimicrobial Resistance Data Analysis
 Description: Functions to simplify and standardise antimicrobial resistance (AMR)
diff --git a/NEWS.md b/NEWS.md
index f04ee706..02eeebc4 100755
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,4 +1,4 @@
-# AMR 1.8.2.9104
+# AMR 1.8.2.9105
 
 *(this beta version will eventually become v2.0! We're happy to reach a new major milestone soon!)*
 
diff --git a/R/aa_helper_functions.R b/R/aa_helper_functions.R
index dc81656c..42c137e1 100755
--- a/R/aa_helper_functions.R
+++ b/R/aa_helper_functions.R
@@ -722,9 +722,9 @@ format_class <- function(class, plural = FALSE) {
     class <- "input created with `custom_eucast_rules()`"
   }
   if (any(c("mo", "ab", "sir") %in% class)) {
-    class <- paste0("of class <", class[1L], ">")
+    class <- paste0("of class '", class[1L], "'")
   }
-  class[class == class.bak] <- paste0("of class <", class[class == class.bak], ">")
+  class[class == class.bak] <- paste0("of class '", class[class == class.bak], "'")
   # output
   vector_or(class, quotes = FALSE, sort = FALSE)
 }
@@ -854,7 +854,7 @@ meet_criteria <- function(object,
         }
       ), na.rm = TRUE),
       "the data provided in argument `", obj_name,
-      "` must contain at least one column of class <", contains_column_class, ">. ",
+      "` must contain at least one column of class '", contains_column_class, "'. ",
       "See ?as.", contains_column_class, ".",
       call = call_depth
     )
diff --git a/R/mo.R b/R/mo.R
index 7d7de8c7..345fb814 100755
--- a/R/mo.R
+++ b/R/mo.R
@@ -800,25 +800,31 @@ print.mo_uncertainties <- function(x, ...) {
     return(invisible(NULL))
   }
 
-  add_MO_lookup_to_AMR_env()
-
   cat(word_wrap("Matching scores are based on the resemblance between the input and the full taxonomic name, and the pathogenicity in humans. See `?mo_matching_score`.\n\n", add_fn = font_blue))
+  
+  add_MO_lookup_to_AMR_env()
+  
+  col_red <- function(x) font_rose_bg(font_black(x, collapse = NULL), collapse = NULL)
+  col_orange <- function(x) font_orange_bg(font_black(x, collapse = NULL), collapse = NULL)
+  col_yellow <- function(x) font_yellow_bg(font_black(x, collapse = NULL), collapse = NULL)
+  col_green <- function(x) font_green_bg(font_black(x, collapse = NULL), collapse = NULL)
+  
   if (has_colour()) {
     cat(word_wrap("Colour keys: ",
-      font_red_bg(" 0.000-0.499 "),
-      font_orange_bg(" 0.500-0.599 "),
-      font_yellow_bg(" 0.600-0.699 "),
-      font_green_bg(" 0.700-1.000"),
+      col_red(" 0.000-0.499 "),
+      col_orange(" 0.500-0.599 "),
+      col_yellow(" 0.600-0.699 "),
+      col_green(" 0.700-1.000"),
       add_fn = font_blue
     ), font_green_bg(" "), "\n", sep = "")
   }
-
+  
   score_set_colour <- function(text, scores) {
     # set colours to scores
-    text[scores >= 0.7] <- font_green_bg(text[scores >= 0.7], collapse = NULL)
-    text[scores >= 0.6 & scores < 0.7] <- font_yellow_bg(text[scores >= 0.6 & scores < 0.7], collapse = NULL)
-    text[scores >= 0.5 & scores < 0.6] <- font_orange_bg(text[scores >= 0.5 & scores < 0.6], collapse = NULL)
-    text[scores < 0.5] <- font_red_bg(text[scores < 0.5], collapse = NULL)
+    text[scores >= 0.7] <- col_green(text[scores >= 0.7])
+    text[scores >= 0.6 & scores < 0.7] <- col_yellow(text[scores >= 0.6 & scores < 0.7])
+    text[scores >= 0.5 & scores < 0.6] <- col_orange(text[scores >= 0.5 & scores < 0.6])
+    text[scores < 0.5] <- col_red(text[scores < 0.5])
     text
   }
 
diff --git a/inst/tinytest/test-rsi.R b/inst/tinytest/test-rsi.R
index d7181e23..51dfa51d 100644
--- a/inst/tinytest/test-rsi.R
+++ b/inst/tinytest/test-rsi.R
@@ -195,6 +195,20 @@ if (AMR:::pkg_is_available("dplyr", min_version = "1.0.0")) {
     as.sir(guideline = "CLSI") %>%
     pull(amox_disk) %>%
     is.sir())
+  
+  # used by group_by() on sir_calc_df(), check some internals to see if grouped calculation without tidyverse works
+  groups <- example_isolates %>%
+    group_by(mo) %>%
+    attributes() %>%
+    .$groups
+  expect_equal(nrow(groups),
+               90)
+  expect_equal(class(groups$.rows),
+               c("vctrs_list_of", "vctrs_vctr", "list"))
+  expect_equal(groups$.rows[[1]],
+               c(101, 524, 1368))
+  expect_equal(example_isolates[c(101, 524, 1368), "mo", drop = TRUE],
+               rep(groups$mo[1], 3))
 }
 # frequency tables
 if (AMR:::pkg_is_available("cleaner")) {
diff --git a/man/antibiogram_wisca.Rd b/man/antibiogram_wisca.Rd
new file mode 100644
index 00000000..166d62a9
--- /dev/null
+++ b/man/antibiogram_wisca.Rd
@@ -0,0 +1,21 @@
+% Generated by roxygen2: do not edit by hand
+% Please edit documentation in R/antibiogram.R
+\name{antibiogram_wisca}
+\alias{antibiogram_wisca}
+\title{Generate Antibiogram: Traditional, Combined, Syndromic, or Weighted (WISCA)}
+\usage{
+antibiogram_wisca(
+  x,
+  ...,
+  antibiotics = where(is.sir),
+  type = c("traditional", "combined", "syndromic", "WISCA"),
+  col_mo = NULL,
+  minimum = 30
+)
+}
+\arguments{
+\item{x}{a \link{data.frame} containing at least a column with microorganisms and columns with antibiotic results (class 'sir', see \code{\link[=as.sir]{as.sir()}})}
+}
+\description{
+Generate Antibiogram: Traditional, Combined, Syndromic, or Weighted (WISCA)
+}