diff --git a/DESCRIPTION b/DESCRIPTION
index cfaf1a8..70ba1a7 100644
--- a/DESCRIPTION
+++ b/DESCRIPTION
@@ -1,21 +1,21 @@
 Package: scpdata
 Type: Package
 Title: Single-Cell Proteomics Data Package
-Version: 1.9.2
+Version: 1.11.1
 Authors@R:
     c(person("Christophe", "Vanderaa",
-	      email = "christophe.vanderaa@uclouvain.be",
-	      comment = c(ORCID = "0000-0001-7443-5427"),
-	      role = c("aut", "cre")),
+              email = "christophe.vanderaa@uclouvain.be",
+              comment = c(ORCID = "0000-0001-7443-5427"),
+              role = c("aut", "cre")),
       person("Laurent", "Gatto",
-	      email = "laurent.gatto@uclouvain.be",
-	      comment = c(ORCID = "0000-0002-1520-2268"),
-	      role = "aut"))
-Description: The package disseminates mass spectrometry (MS)-based 
-    single-cell proteomics (SCP) datasets. The data were collected 
-    from published work and formatted using the `scp` data structure. 
-    The data sets contain quantitative information at spectrum, 
-    peptide and/or protein level for single cells or minute sample 
+              email = "laurent.gatto@uclouvain.be",
+              comment = c(ORCID = "0000-0002-1520-2268"),
+              role = "aut"))
+Description: The package disseminates mass spectrometry (MS)-based
+    single-cell proteomics (SCP) datasets. The data were collected
+    from published work and formatted using the `scp` data structure.
+    The data sets contain quantitative information at spectrum,
+    peptide and/or protein level for single cells or minute sample
     amounts.
 Depends:
     R (>= 4.2.0),
@@ -35,9 +35,9 @@ Suggests:
     BiocCheck,
     rmarkdown,
     testthat
-biocViews: 
-    ExperimentData, 
-    ExpressionData, 
+biocViews:
+    ExperimentData,
+    ExpressionData,
     ExperimentHub,
     ReproducibleResearch,
     MassSpectrometryData,
diff --git a/NEWS.md b/NEWS.md
index 1d1ac9f..72954e2 100644
--- a/NEWS.md
+++ b/NEWS.md
@@ -1,9 +1,10 @@
+# scpdata 1.11
 
-# scpdata 1.9
+## scpdata 1.11.1
 
-## scpdata 1.9.3
+- Added contribution vignette.
 
-(nothing yet)
+# scpdata 1.9
 
 ## scpdata 1.9.2
 
@@ -37,7 +38,7 @@
 
 - New Bioconductor 3.16 (stable) release
 
-# scpdata 1.5 
+# scpdata 1.5
 
 ## scpdata 1.5.6
 
@@ -52,7 +53,7 @@
 ## scpdata 1.5.3
 
 - tests: make sure each dataset is available
-- docs: don't run examples. They take too long and crash the checks. 
+- docs: don't run examples. They take too long and crash the checks.
 
 ## scpdata 1.5.2
 
@@ -78,7 +79,7 @@
 ## scpdata 1.3.1
 
 - williams2020: added 2 new datasets (need to be sent to EH)
-- all: added supplementary metadata fields in `metadata.csv`. 
+- all: added supplementary metadata fields in `metadata.csv`.
 - zhu2019EL: split protein data into protein_intensity and protein_iBAQ
 - dou2019: modified peptide data by excluding low-quality PSMs
 
@@ -96,8 +97,8 @@
 
 ## scpdata 1.1.2
 
-- dou2019_*: Fixed duplicated data, added identification score and 
-  probabilities data, and generated peptide data. 
+- dou2019_*: Fixed duplicated data, added identification score and
+  probabilities data, and generated peptide data.
 - zhu2018MCP: added protein data (intensity, LFQ and iBAQ)
 - zhu2018NC_*: added protein data (intensity, LFQ and iBAQ)
 - metadata: included additional meta fields: PreprocessingSoftware and