diff --git a/R/geom_intron.R b/R/geom_intron.R
index 8a3ecc1..4c442ad 100644
--- a/R/geom_intron.R
+++ b/R/geom_intron.R
@@ -63,7 +63,7 @@
 #' # the functionality from the parameters and aesthetics in ggplot2
 #' base + geom_intron(
 #'     aes(colour = transcript_name),
-#'     lineswidth = 1
+#'     linewidth = 1
 #' )
 #'
 #' # together, geom_range() and geom_intron() are designed to visualize
diff --git a/man/geom_intron.Rd b/man/geom_intron.Rd
index c425604..557533b 100644
--- a/man/geom_intron.Rd
+++ b/man/geom_intron.Rd
@@ -180,7 +180,7 @@ base + geom_intron(aes(strand = strand))
 # the functionality from the parameters and aesthetics in ggplot2
 base + geom_intron(
     aes(colour = transcript_name),
-    lineswidth = 1
+    linewidth = 1
 )
 
 # together, geom_range() and geom_intron() are designed to visualize