diff --git a/man/CohortConstructor-package.Rd b/man/CohortConstructor-package.Rd
index fd34f5f..ee54223 100644
--- a/man/CohortConstructor-package.Rd
+++ b/man/CohortConstructor-package.Rd
@@ -14,6 +14,7 @@ Create and manipulate study cohorts in data mapped to the Observational Medical
 Useful links:
 \itemize{
   \item \url{https://ohdsi.github.io/CohortConstructor/}
+  \item \url{https://github.com/OHDSI/CohortConstructor}
 }
 
 }
diff --git a/vignettes/a04_require_intersections.Rmd b/vignettes/a04_require_intersections.Rmd
index ea702c3..e04671c 100644
--- a/vignettes/a04_require_intersections.Rmd
+++ b/vignettes/a04_require_intersections.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "Requirements related to other cohorts, concept sets, or tables"
+title: "Applying requirements related to other cohorts, concept sets, or tables"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a04_require_intersections}
diff --git a/vignettes/a05_update_cohort_start_end.Rmd b/vignettes/a05_update_cohort_start_end.Rmd
index 96b5a5c..bd5b38f 100644
--- a/vignettes/a05_update_cohort_start_end.Rmd
+++ b/vignettes/a05_update_cohort_start_end.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "Update cohort start and end dates"
+title: "Updating cohort start and end dates"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a04_update_cohort_start_end}
diff --git a/vignettes/a06_concatanate_cohorts.Rmd b/vignettes/a06_concatanate_cohorts.Rmd
index a4d326f..3f222e3 100644
--- a/vignettes/a06_concatanate_cohorts.Rmd
+++ b/vignettes/a06_concatanate_cohorts.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "Concatenate Cohorts"
+title: "Concatenating cohort records"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a05_concatanate_cohorts}
diff --git a/vignettes/a07_filter_cohorts.Rmd b/vignettes/a07_filter_cohorts.Rmd
index db31bc8..e5770d6 100644
--- a/vignettes/a07_filter_cohorts.Rmd
+++ b/vignettes/a07_filter_cohorts.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "Filter Cohorts"
+title: "Filtering cohorts"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a07_filter_cohorts}
diff --git a/vignettes/a08_split_cohorts.Rmd b/vignettes/a08_split_cohorts.Rmd
index 1b9b626..5ec9f5b 100644
--- a/vignettes/a08_split_cohorts.Rmd
+++ b/vignettes/a08_split_cohorts.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "a07_split_cohorts"
+title: "Splitting cohorts"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a07_split_cohorts}
diff --git a/vignettes/a09_combine_cohorts.Rmd b/vignettes/a09_combine_cohorts.Rmd
index 029e47d..76dd781 100644
--- a/vignettes/a09_combine_cohorts.Rmd
+++ b/vignettes/a09_combine_cohorts.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "Combine Cohorts"
+title: "Combining Cohorts"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a08_combine_cohorts}
diff --git a/vignettes/a10_match_cohorts.Rmd b/vignettes/a10_match_cohorts.Rmd
index 369d192..6af4629 100644
--- a/vignettes/a10_match_cohorts.Rmd
+++ b/vignettes/a10_match_cohorts.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "Generate a matched age and sex cohort"
+title: "Generating a matched cohort"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{Generate a matched age and sex cohort}
diff --git a/vignettes/a11_benchmark.Rmd b/vignettes/a11_benchmark.Rmd
index 6e669fc..17182ee 100644
--- a/vignettes/a11_benchmark.Rmd
+++ b/vignettes/a11_benchmark.Rmd
@@ -1,5 +1,5 @@
 ---
-title: "CohortConstructor benchmark"
+title: "CohortConstructor benchmarking results"
 output: rmarkdown::html_vignette
 vignette: >
   %\VignetteIndexEntry{a11_benchmark}