diff --git a/R/colwise-mutate.R b/R/colwise-mutate.R
index aa99c3d4c4..89bda18f9d 100644
--- a/R/colwise-mutate.R
+++ b/R/colwise-mutate.R
@@ -75,7 +75,7 @@
 #'
 #' Name collisions in the new columns are disambiguated using a unique suffix.
 #'
-#' @section Life cycle:
+#' @section Lifecycle:
 #'
 #' The functions are maturing, because the naming scheme and the
 #' disambiguation algorithm are subject to change in dplyr 0.9.0.
@@ -196,7 +196,7 @@ summarize_at <- summarise_at
 #'   `transmute_if()`.
 #'
 #' @inheritSection summarise_all Naming
-#' @inheritSection summarise_all Life cycle
+#' @inheritSection summarise_all Lifecycle
 #'
 #' @examples
 #' iris <- as_tibble(iris)
diff --git a/R/group-nest.R b/R/group-nest.R
index 24f01f43c5..7962ae2a32 100644
--- a/R/group-nest.R
+++ b/R/group-nest.R
@@ -10,7 +10,7 @@ group_nest_impl <- function(.tbl, .key, keep = FALSE){
 #'
 #' Nest a tibble using a grouping specification
 #'
-#' @section Life cycle:
+#' @section Lifecycle:
 #' `group_nest()` is not stable because [`tidyr::nest(.by =)`][tidyr::nest()]
 #' provides very similar behavior. It may be deprecated in the future.
 #'
diff --git a/R/group-split.R b/R/group-split.R
index a3cf93d2e3..2212d86d8a 100644
--- a/R/group-split.R
+++ b/R/group-split.R
@@ -17,7 +17,7 @@
 #' is generally not very useful as you want have easy access to the group
 #' metadata.
 #'
-#' @section Life cycle:
+#' @section Lifecycle:
 #' `group_split()` is not stable because you can achieve very similar results by
 #' manipulating the nested column returned from
 #' [`tidyr::nest(.by =)`][tidyr::nest()]. That also retains the group keys all
diff --git a/R/nest-by.R b/R/nest-by.R
index 4710ffb1b8..6b2abc531d 100644
--- a/R/nest-by.R
+++ b/R/nest-by.R
@@ -30,7 +30,7 @@
 #'   reframe(data)
 #' ```
 #'
-#' @section Life cycle:
+#' @section Lifecycle:
 #' `nest_by()` is not stable because [`tidyr::nest(.by =)`][tidyr::nest()]
 #' provides very similar behavior. It may be deprecated in the future.
 #'
diff --git a/man/group_nest.Rd b/man/group_nest.Rd
index 308aac9003..389271bacc 100644
--- a/man/group_nest.Rd
+++ b/man/group_nest.Rd
@@ -25,7 +25,7 @@ with matching rows of the remaining columns.
 
 Nest a tibble using a grouping specification
 }
-\section{Life cycle}{
+\section{Lifecycle}{
 
 \code{group_nest()} is not stable because \code{\link[tidyr:nest]{tidyr::nest(.by =)}}
 provides very similar behavior. It may be deprecated in the future.
diff --git a/man/group_split.Rd b/man/group_split.Rd
index 6f77dafc72..41770c297a 100644
--- a/man/group_split.Rd
+++ b/man/group_split.Rd
@@ -38,7 +38,7 @@ You can pass \code{...} to group and split an ungrouped data frame, but this
 is generally not very useful as you want have easy access to the group
 metadata.
 }
-\section{Life cycle}{
+\section{Lifecycle}{
 
 \code{group_split()} is not stable because you can achieve very similar results by
 manipulating the nested column returned from
diff --git a/man/mutate_all.Rd b/man/mutate_all.Rd
index 2ebafc5987..2ecfb2322f 100644
--- a/man/mutate_all.Rd
+++ b/man/mutate_all.Rd
@@ -115,7 +115,7 @@ If a variable in \code{.vars} is named, a new column by that name will be create
 Name collisions in the new columns are disambiguated using a unique suffix.
 }
 
-\section{Life cycle}{
+\section{Lifecycle}{
 
 
 The functions are maturing, because the naming scheme and the
diff --git a/man/nest_by.Rd b/man/nest_by.Rd
index 4361dc56dd..bc9df30ffe 100644
--- a/man/nest_by.Rd
+++ b/man/nest_by.Rd
@@ -63,7 +63,7 @@ If you want to unnest a nested data frame, you can either use
   reframe(data)
 }\if{html}{\out{</div>}}
 }
-\section{Life cycle}{
+\section{Lifecycle}{
 
 \code{nest_by()} is not stable because \code{\link[tidyr:nest]{tidyr::nest(.by =)}}
 provides very similar behavior. It may be deprecated in the future.
diff --git a/man/summarise_all.Rd b/man/summarise_all.Rd
index e20d71035c..37b7f01861 100644
--- a/man/summarise_all.Rd
+++ b/man/summarise_all.Rd
@@ -117,7 +117,7 @@ If a variable in \code{.vars} is named, a new column by that name will be create
 Name collisions in the new columns are disambiguated using a unique suffix.
 }
 
-\section{Life cycle}{
+\section{Lifecycle}{
 
 
 The functions are maturing, because the naming scheme and the