diff --git a/docs/API_docs/types/PhoneCall.md b/docs/API_docs/types/PhoneCall.md
index 08a133c3..eee9a68b 100644
--- a/docs/API_docs/types/PhoneCall.md
+++ b/docs/API_docs/types/PhoneCall.md
@@ -27,7 +27,7 @@ VoIPController states (these constants are incrementing integers, thus can be co
 VoIPController errors:
 
 * `TGVOIP_ERROR_UNKNOWN` - An unknown error occurred
-* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported cĂlient/protocol
+* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported client/protocol
 * `TGVOIP_ERROR_TIMEOUT` - A timeout occurred
 * `TGVOIP_ERROR_AUDIO_IO` - An I/O error occurred
 
diff --git a/docs/_config.yml b/docs/_config.yml
index 10e079dc..1bda0d13 100644
--- a/docs/_config.yml
+++ b/docs/_config.yml
@@ -3,4 +3,3 @@ gems:
   - jekyll-sitemap
   - jekyll-seo-tag
 
-encoding: UTF-8
diff --git a/docs/index.md b/docs/index.md
index 8fd7e993..885bda4a 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -28,6 +28,8 @@ Features:
 
 * It allows you to do everything official clients can do, programmatically!
 
+* *It can make phone calls!*
+
 * It can be proxied!
 
 * It is very fast!
diff --git a/old_docs/API_docs_v62/types/PhoneCall.md b/old_docs/API_docs_v62/types/PhoneCall.md
index 08a133c3..eee9a68b 100644
--- a/old_docs/API_docs_v62/types/PhoneCall.md
+++ b/old_docs/API_docs_v62/types/PhoneCall.md
@@ -27,7 +27,7 @@ VoIPController states (these constants are incrementing integers, thus can be co
 VoIPController errors:
 
 * `TGVOIP_ERROR_UNKNOWN` - An unknown error occurred
-* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported cĂlient/protocol
+* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported client/protocol
 * `TGVOIP_ERROR_TIMEOUT` - A timeout occurred
 * `TGVOIP_ERROR_AUDIO_IO` - An I/O error occurred
 
diff --git a/old_docs/API_docs_v65/types/PhoneCall.md b/old_docs/API_docs_v65/types/PhoneCall.md
index 08a133c3..eee9a68b 100644
--- a/old_docs/API_docs_v65/types/PhoneCall.md
+++ b/old_docs/API_docs_v65/types/PhoneCall.md
@@ -27,7 +27,7 @@ VoIPController states (these constants are incrementing integers, thus can be co
 VoIPController errors:
 
 * `TGVOIP_ERROR_UNKNOWN` - An unknown error occurred
-* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported cĂlient/protocol
+* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported client/protocol
 * `TGVOIP_ERROR_TIMEOUT` - A timeout occurred
 * `TGVOIP_ERROR_AUDIO_IO` - An I/O error occurred
 
diff --git a/old_docs/API_docs_v66/types/PhoneCall.md b/old_docs/API_docs_v66/types/PhoneCall.md
index 08a133c3..eee9a68b 100644
--- a/old_docs/API_docs_v66/types/PhoneCall.md
+++ b/old_docs/API_docs_v66/types/PhoneCall.md
@@ -27,7 +27,7 @@ VoIPController states (these constants are incrementing integers, thus can be co
 VoIPController errors:
 
 * `TGVOIP_ERROR_UNKNOWN` - An unknown error occurred
-* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported cĂlient/protocol
+* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported client/protocol
 * `TGVOIP_ERROR_TIMEOUT` - A timeout occurred
 * `TGVOIP_ERROR_AUDIO_IO` - An I/O error occurred
 
diff --git a/src/danog/MadelineProto/DocsBuilder.php b/src/danog/MadelineProto/DocsBuilder.php
index 6719d870..23be7a78 100644
--- a/src/danog/MadelineProto/DocsBuilder.php
+++ b/src/danog/MadelineProto/DocsBuilder.php
@@ -654,7 +654,7 @@ VoIPController states (these constants are incrementing integers, thus can be co
 VoIPController errors:
 
 * `TGVOIP_ERROR_UNKNOWN` - An unknown error occurred
-* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported cĂlient/protocol
+* `TGVOIP_ERROR_INCOMPATIBLE` - The other side is using an unsupported client/protocol
 * `TGVOIP_ERROR_TIMEOUT` - A timeout occurred
 * `TGVOIP_ERROR_AUDIO_IO` - An I/O error occurred