diff --git a/NEWS.md b/NEWS.md
index 399c8f4..c3d81ab 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,5 +1,8 @@
 # comorbidity (development version)
 
+* Adjusted name of weights (leftover from #53, thanks @sciatro for reporting this).
+  This bug did not seem to affect any calculation.
+
 # comorbidity 1.0.5
 
 * Adjusted some tests that were spuriously failing on CRAN.
diff --git a/R/sysdata.rda b/R/sysdata.rda
index c7bab13..80dec38 100644
Binary files a/R/sysdata.rda and b/R/sysdata.rda differ
diff --git a/data-raw/make-weights.R b/data-raw/make-weights.R
index 017bc12..f64be27 100644
--- a/data-raw/make-weights.R
+++ b/data-raw/make-weights.R
@@ -6,7 +6,7 @@ for (w in names(.maps)) {
     # Charlson-compatible weights:
     # Original Charlson weights
     .weights[[w]][["charlson"]] <- c(
-      ami = 1,
+      mi = 1,
       chf = 1,
       pvd = 1,
       cevd = 1,
@@ -26,7 +26,7 @@ for (w in names(.maps)) {
     )
     # Quan (2011)
     .weights[[w]][["quan"]] <- c(
-      ami = 0,
+      mi = 0,
       chf = 2,
       pvd = 0,
       cevd = 0,
diff --git a/vignettes/C-changes.Rmd b/vignettes/C-changes.Rmd
index eb1a3cc..3bcbf83 100644
--- a/vignettes/C-changes.Rmd
+++ b/vignettes/C-changes.Rmd
@@ -65,6 +65,9 @@ comorbidity(x = sim_data, id = "id", code = "code", score = "charlson", icd = "i
 #> 10    0        0    0     1   1-2      2    1-2
 ```
 
+Note that, as of {comorbidity} version 1.0.4, the `ami` condition has been renamed to `mi`.
+See [#53](https://github.com/ellessenne/comorbidity/issues/53) on GitHub for more details.
+
 Now, we first need to apply the mapping algorithm:
 
 ```{r}