diff --git a/docs/apis/authentication.md b/docs/apis/authentication.md
index 4defd1e..0e338ae 100644
--- a/docs/apis/authentication.md
+++ b/docs/apis/authentication.md
@@ -119,7 +119,7 @@ Once your service is created, the _Client ID_ and _Client Secret_ will appear on
 
 To make an access token request use the _Client ID_ and _Client Secret_ of your service.
 ```js
-curl -u \{CLIENT_ID\}:\{CLIENT_SECRET\} \
+curl -u {CLIENT_ID}:{CLIENT_SECRET} \
 -X POST 'https://aai.openaire.eu/oidc/token' \
 -d 'grant_type=client_credentials'
 ```
diff --git a/docs/graph-production-workflow/indicators-ingestion/impact-indicators.md b/docs/graph-production-workflow/indicators-ingestion/impact-indicators.md
index a1bfdc3..e9e0f6f 100644
--- a/docs/graph-production-workflow/indicators-ingestion/impact-indicators.md
+++ b/docs/graph-production-workflow/indicators-ingestion/impact-indicators.md
@@ -126,7 +126,7 @@ Also, since some indicators require the publication year for their calculation,
 ***Environment:*** PySpark
 
 ***References:*** 
-* Ghosh, R., Kuo, T. T., Hsu, C. N., Lin, S. D., & Lerman, K. (2011, December). Time-aware ranking in dynamic citation networks. In 2011 ieee 11^{th} international conference on data mining workshops (pp. 373-380). IEEE.
+* Ghosh, R., Kuo, T. T., Hsu, C. N., Lin, S. D., & Lerman, K. (2011, December). Time-aware ranking in dynamic citation networks. In 2011 ieee 11^\{th\} international conference on data mining workshops (pp. 373-380). IEEE.
 
 ***Authority:*** ATHENA RC • ***License:*** GPL-2.0 • ***Code:*** [BIP! Ranker](https://github.com/athenarc/Bip-Ranker)