Fix typos

Thanks to spell_check!

Change-Id: I354b9d1a6658ed0457d3c9df64cf0df74bb92d82
diff --git a/man/ci.Rd b/man/ci.Rd
index 6cf9bef..cb51cad 100644
--- a/man/ci.Rd
+++ b/man/ci.Rd
@@ -11,7 +11,7 @@
 
 \item{x}{column with the observed absolute frequency.}
 
-\item{N}{column with the total frequncies}
+\item{N}{column with the total frequencies}
 
 \item{conf.level}{confidence level of the returned confidence interval. Must
 be a single number between 0 and 1.}
@@ -35,5 +35,5 @@
 }
 }
 \seealso{
-\code{ci} is alread included in \code{\link{frequencyQuery}}
+\code{ci} is already included in \code{\link{frequencyQuery}}
 }