Improve documentation of span parameter in ca

Change-Id: I35cf877fb04701c989fe5ef81a7cd262b9bc30e3
diff --git a/R/collocationAnalysis.R b/R/collocationAnalysis.R
index fc96f1c..b79a2b3 100644
--- a/R/collocationAnalysis.R
+++ b/R/collocationAnalysis.R
@@ -31,6 +31,7 @@
 #' @param topCollocatesLimit     limit analysis to the n most frequent collocates in the search hits sample
 #' @param searchHitsSampleLimit  limit the size of the search hits sample
 #' @param stopwords              vector of stopwords not to be considered as collocates
+#' @param withinSpan             KorAP span specification (see <https://korap.ids-mannheim.de/doc/ql/poliqarp-plus?embedded=true#spans>) for collocations to be searched within. Defaults to `base/s=s`.
 #' @param exactFrequencies       if FALSE, extrapolate observed co-occurrence frequencies from frequencies in search hits sample, otherwise retrieve exact co-occurrence frequencies
 #' @param seed                   seed for random page collecting order
 #' @param expand                 if TRUE, `node` and `vc` parameters are expanded to all of their combinations
diff --git a/R/collocationScoreQuery.R b/R/collocationScoreQuery.R
index cf05540..85c65a5 100644
--- a/R/collocationScoreQuery.R
+++ b/R/collocationScoreQuery.R
@@ -24,7 +24,7 @@
 #' @param smoothingConstant  smoothing constant will be added to all observed values
 #' @param observed           if collocation frequencies are already known (or estimated from a sample) they can be passed as a vector here, otherwise: NA
 #' @param ignoreCollocateCase     logical, set to TRUE if collocate case should be ignored
-#' @param withinSpan         KorAP span specification for collocations to be searched within
+#' @param withinSpan         KorAP span specification (see <https://korap.ids-mannheim.de/doc/ql/poliqarp-plus?embedded=true#spans>) for collocations to be searched within. Defaults to `base/s=s`.
 #'
 #' @return tibble with query KorAP web request URL, all observed values and association scores
 #'
diff --git a/man/collocationAnalysis-KorAPConnection-method.Rd b/man/collocationAnalysis-KorAPConnection-method.Rd
index 2a646f8..1932e9c 100644
--- a/man/collocationAnalysis-KorAPConnection-method.Rd
+++ b/man/collocationAnalysis-KorAPConnection-method.Rd
@@ -51,7 +51,7 @@
 
 \item{ignoreCollocateCase}{logical, set to TRUE if collocate case should be ignored}
 
-\item{withinSpan}{KorAP span specification for collocations to be searched within}
+\item{withinSpan}{KorAP span specification (see \url{https://korap.ids-mannheim.de/doc/ql/poliqarp-plus?embedded=true#spans}) for collocations to be searched within. Defaults to \code{base/s=s}.}
 
 \item{exactFrequencies}{if FALSE, extrapolate observed co-occurrence frequencies from frequencies in search hits sample, otherwise retrieve exact co-occurrence frequencies}
 
diff --git a/man/collocationScoreQuery-KorAPConnection-method.Rd b/man/collocationScoreQuery-KorAPConnection-method.Rd
index bc236ee..5e10b7b 100644
--- a/man/collocationScoreQuery-KorAPConnection-method.Rd
+++ b/man/collocationScoreQuery-KorAPConnection-method.Rd
@@ -46,7 +46,7 @@
 
 \item{ignoreCollocateCase}{logical, set to TRUE if collocate case should be ignored}
 
-\item{withinSpan}{KorAP span specification for collocations to be searched within}
+\item{withinSpan}{KorAP span specification (see \url{https://korap.ids-mannheim.de/doc/ql/poliqarp-plus?embedded=true#spans}) for collocations to be searched within. Defaults to \code{base/s=s}.}
 }
 \value{
 tibble with query KorAP web request URL, all observed values and association scores