diff --git a/R/parameters.R b/R/parameters.R
index 473225fa..12f4c4be 100644
--- a/R/parameters.R
+++ b/R/parameters.R
@@ -11,7 +11,7 @@
 #' fixed state transitions:
 #'
 #' * dd - the delay for humans to move from state D to A; default = 5
-#' * dt - the delay for humans to move from state Tr to Ph; default = 5
+#' * dt - the delay for humans to move from state Tr to S; default = 5
 #' * da - the delay for humans to move from state A to U; default = 195
 #' * du - the delay for humans to move from state U to S; default = 110
 #' * del - the delay for mosquitoes to move from state E to L; default = 6.64
diff --git a/man/get_parameters.Rd b/man/get_parameters.Rd
index 1a0dde29..8afae241 100644
--- a/man/get_parameters.Rd
+++ b/man/get_parameters.Rd
@@ -13,7 +13,7 @@ The parameters are defined below.
 fixed state transitions:
 \itemize{
 \item dd - the delay for humans to move from state D to A; default = 5
-\item dt - the delay for humans to move from state Tr to Ph; default = 5
+\item dt - the delay for humans to move from state Tr to S; default = 5
 \item da - the delay for humans to move from state A to U; default = 195
 \item du - the delay for humans to move from state U to S; default = 110
 \item del - the delay for mosquitoes to move from state E to L; default = 6.64