diff --git a/Doc/lib/libstring.tex b/Doc/lib/libstring.tex
index ccbb10556de..7b91717e221 100644
--- a/Doc/lib/libstring.tex
+++ b/Doc/lib/libstring.tex
@@ -168,7 +168,7 @@ regular expression as the separator.)
 \end{funcdesc}
 
 \begin{funcdesc}{splitfields}{s\optional{\, sep\optional{\, maxsplit}}}
-This function behaves identical to \code{split}.  (In the past,
+This function behaves identically to \code{split}.  (In the past,
 \code{split} was only used with one argument, while \code{splitfields}
 was only used with two arguments.)
 \end{funcdesc}
diff --git a/Doc/libstring.tex b/Doc/libstring.tex
index ccbb10556de..7b91717e221 100644
--- a/Doc/libstring.tex
+++ b/Doc/libstring.tex
@@ -168,7 +168,7 @@ regular expression as the separator.)
 \end{funcdesc}
 
 \begin{funcdesc}{splitfields}{s\optional{\, sep\optional{\, maxsplit}}}
-This function behaves identical to \code{split}.  (In the past,
+This function behaves identically to \code{split}.  (In the past,
 \code{split} was only used with one argument, while \code{splitfields}
 was only used with two arguments.)
 \end{funcdesc}